共 9 条
[1]
Benade JG, 1997, S AFR MED J, V87, P310
[2]
LACK OF IMPROVEMENT IN VITAMIN-A STATUS WITH INCREASED CONSUMPTION OF DARK-GREEN LEAFY VEGETABLES
[J].
LANCET,
1995, 346 (8967)
:75-81
[3]
EMMONS L, 1973, J AM DIET ASSOC, V62, P409
[5]
LANGENHOVEN ML, 1992, MRC FOOD COMPOSITION
[6]
LANGENHOVEN ML, 1992, MRC FOOD QUANTITIES
[7]
*NAT AC SCI NAT RE, 1989, REC DIET ALL RDAS
[8]
STEYN NP, 1997, S AFR MED J, V88, P75
[9]
VANSTUIJVENBERG ME, 1997, ADDRESSING MICRONUTR