共 37 条
[2]
CHANARIN I, 1985, LANCET, V2, P1168
[5]
Department of Health, 1991, 41 DEP HLTH
[6]
dePee S, 1996, EUR J CLIN NUTR, V50, pS38
[7]
LACK OF IMPROVEMENT IN VITAMIN-A STATUS WITH INCREASED CONSUMPTION OF DARK-GREEN LEAFY VEGETABLES
[J].
LANCET,
1995, 346 (8967)
:75-81
[8]
DONOVAN UM, 1995, J AM COLL NUTR, V14, P463