共 50 条
- [1] NORMAL RANGES FOR SERUM FOLATE AND VITAMIN-B12 [J]. MEDICAL JOURNAL OF AUSTRALIA, 1974, 1 (13) : 505 - 506
- [7] EFFECTS OF VITAMIN-B12, FOLATE, AND VITAMIN-B6 SUPPLEMENTS IN ELDERLY PEOPLE WITH NORMAL SERUM VITAMIN CONCENTRATIONS [J]. LANCET, 1995, 346 (8967): : 85 - 89