1[1]Belton NR. Rickets - not only English disease[J ]. Acta Pediatr Scand, 1986, 323(Suppl) :68.
2周华康.关于佝偻病防治[J].中华儿科杂志,1986,(24):355.
3[3]Pnktt EME. Diet sunlight and 25 - hydroXY vitamin D in healthy children and adulrs[J ]. Br Med J, 1979, 1: 221.
4[4]Webb AR. Influence of season and latiude on the cutaneous synthesis of vitamin D3: exposure to winter sunlight in Boston and Edmonton will not promote vitamin D3 synthesis in human skin [J]. J Chin Endocr Meta, 1988, 67: 373.
10[10]Liu Yang Taisi Ping, Liu SHaodong, et al. The dosedffect relationship of UVR on early skin impairment[J ]. China Envl: ronmemtal Science, 1993, 4 (3): 93.
