MI La-la1,2, ZHANG Shu-yi3, ZHANG Min2, WU Yi-ran2, XIE Jun1,4
米腊腊1,2, 张淑一3, 张敏2, 吴依然2, 解军1,4
|  Carazo A, Macáková K, Matousˇová K, et al. Vitamin A update:Forms, sources, kinetics, detection, function, deficiency, therapeutic use and toxicity[J]. Nutrients, 2021, 13(5):1703.
 Chakraborty U, Chandra A. Bitot′s spots, dry eyes, and night blindness indicate vitamin A deficiency[J]. Lancet(London, England), 2021, 397(10270):e2.
 Qian C, Yongfang L, Li C, et al. Vitamin A levels among pre-school children of central and Western China[J]. Front Public Health, 2021,(9):694106.
 Fallah E, Peighambardoust SH. Validation of the use of Dried Blood Spot(DBS) method to assess vitamin A status[J]. Health Promot Perspect, 2012, 2(2):180-189.
 Da silva pereira A, Da silva ACF, Bezerra FF, et al. Reproducibility and validity of capillary dried blood spot for diagnosis of vitamin A deficiency and Anemia in children <5 years old[J]. J Nutr, 2021, 151(10):3197-3204.
 Zhang M, Huang X, Song M, et al. A novel LC-MS/MS method for the simultaneous analysis of selected fat-soluble vitamins in serum obtained from pediatric patients with pneumonia[J]. Analytical methods:Advancing methods and applications, 2022, 14(25):2511-2521.
 Zhang M, Wu Y, Wang F, et al. Improving long-term stability of retinol in dried blood spots and quantification of its levels via a novel LC-MS/MS method[J]. Anal Bioanal Chem, 2019, 411(30):8073-8080.
 World Health Organization.Global prevalence of vitamin A deficiency in populations at risk 1995-2005:WHO global database on vitamin A deficiency[EB/OL].(2009-05-11)[2022-07-30]. https://apps.who.int/iris/handle/10665/44110.
Li LM,Rao KQ,Kong LZ,et al. Survey on the nutrition and health status of Chinese residents in 2002[J]. Chin J Epidemiology,2005,25(7):478-484.
Chinese Society of Preventive Medicine, Child Health Branch. Expert consensus on the clinical application of vitamin A and vitamin D in children in China[J]. Chin J Child Health,2021,29(1):110-116.
 IMMPaCt. Sponsored symposium:The assessment of vitamin A status in populations[EB/OL].(2017-10-18)[2022-07-30].https://apps.who.int/nutrition/events/2017-WHO-CDC-vitaminA-symposium-18Oct/en/index.html.
 Verstraete J, Boffel L,Stove C. Dried blood microsample-assisted determination of vitamins:Recent developments and challenges[J]. Trends in Analytical Chemistry, 2020, 132:116057.
 Song M, Dai S, Li J, et al. Establishment of pediatric reference intervals for complete blood count parameters in capillary blood in Beijing[J]. Int J Lab Hematol, 2021, 43(6):1363-1372.
Department of Rural Socio-Economic Survey, National Bureau of Statistics. China county statistical yearbook-2020(county and city volume)[M]. Beijing:China Statistics Press,2021:392.
Department of Rural Socio-economic Survey, National Bureau of Statistics. China county statistical yearbook-2020(county and city volume)[M]. Beijing:China Statistics Press,2021:7.
|||NIU Yu-shuo, RAN Ni, HU Xiao-wen, LI Kui-nan, YANG Xiu-ling. Construction of risk prediction model for functional constipation in preschoolers [J]. Chinese Journal of Child Health Care, 2022, 30(6): 612-616.|
|||MA Ying, JIAO Ting, HUANG Ya-shen, SHU Guan-yu, SONG Yan-yan, JIANG Lin. Association between screen time and sleep duration and the moderating effect of outdoor activity among preschoolers [J]. Chinese Journal of Child Health Care, 2022, 30(6): 664-668.|
|||WANG Xiao-juan, XU Meng-xue, ZHANG Meng-nan, REN Xia, JIANG Yuan-yuan, ZHANG Xue-jiao, YANG Lin, WU Jian-xin, ZHANG Ting, ZHU Zong-han, GUANHong-yan. Preliminary development and reliability and validity test of Physical Activity Afterschool Questionnaire for preschooler [J]. Chinese Journal of Child Health Care, 2022, 30(12): 1304-1308.|
|||XU Meng-xue, WANG Xiao-juan, WANG Bo, JIANG Yuan-yuan, ZHU Zong-han, ZHANG Ting, GUAN Hong-yan. Status of physical activity outside kindergarten among Beijing urban preschoolers as well as family and community environment [J]. Chinese Journal of Child Health Care, 2022, 30(1): 30-33.|
|||WANG Pei-yao, LI Wen, HU Ya-bin, WANG Guang-hai, JIANG Fan, CHEN Jie. Investigation on sleep problems and related factors in preschool children during home quarantine [J]. Chinese Journal of Child Health Care, 2021, 29(5): 479-483.|
|||HAN Yan, PENG Lu-ting, LI Xiao-nan. Research progress on the indicators of cardiometabolic risk in obese children [J]. Chinese Journal of Child Health Care, 2021, 29(11): 1208-1212.|
|||QU Xiao, WANG Xiao-juan, WANG Bo, FENG Chao, GUAN Hong-yan, CHEN Xiao-bo. Study on the association between physical activity and executive function in preschoolers [J]. journal1, 2020, 28(9): 975-979.|
|||DING Hui, LIU Ying-ying, CHEN Li, YANG Min. Research progressof the influence of mother-infant interaction on infants and schizophrenia mothers [J]. journal1, 2020, 28(9): 1001-1004.|
|||LUO Chun-chou, CAI Hui-zhen, ZHANG Bao-zhong, LIN Xiu-mei, YANG Hui-lian, CHEN Xian-gui, LIN Ying. Effect of nursery care on the incidence of acute upper respiratory tract infection and the change of pharyngeal pathogens in children [J]. journal1, 2020, 28(8): 943-946.|
|||XIAO Hong, LIU Bin, CAO Ai-hua. Research progress on the sensitivity of reinforcement in children with attention deficit and hyperactivity disorder [J]. journal1, 2020, 28(7): 769-773.|
|||YUAN Jing, ZHANG Hao, XU Tong, YANG Xian-jun, YU Li-li, JIANG Xun, SHANG Lei. Effect of caregivers′ feeding behavior and preschooler′s eating behavior on children′s weight [J]. journal1, 2020, 28(6): 627-632.|
|||Working Group on Physical Activity Guideline for Chinese Preschoolers Aged - Years, GUAN Hong-yan, ZHAO Xing, QU Sha, WU Jian-xin, YANG Yu-feng, GUO Jian-jun, ZHANG Ting, LUO Dong-mei. Physical activity guideline for Chinese preschoolers aged 3-6 years [J]. Chinese Journal of Child Health Care, 2020, 28(6): 714-720.|
|||XU Yi, YAN Qiong, TONG Lian. Study on the associations between parenting stress and anxiety symptoms among urban preschoolers [J]. journal1, 2020, 28(5): 563-566.|
|||YOU Zi-wei, WEN Min, HE Chu-qi, ZHAO Yu-di, ZHOU Wen-jing, SU Yin-hua. Study on the correlation between eating behaviors of preschoolers and nutrition-related knowledge,attitude and practice of preschool educators [J]. journal1, 2020, 28(2): 222-226.|
|||DING Yan-hua. Early childhood attachment and later social development [J]. journal1, 2019, 27(9): 932-935.|