共 23 条
[1]
BOGER WP, 1955, P SOC EXP BIOL MED, V89, P375, DOI 10.3181/00379727-89-21815
[3]
AGEWISE VARIATION OF VITAMIN-B12 SERUM LEVELS
[J].
JOURNALS OF GERONTOLOGY,
1956, 11 (02)
:142-146
[6]
DROLLER H, 1959, Geriatrics, V14, P367
[9]
VITAMIN-B12 SERUM CONCENTRATIONS IN 528 APPARENTLY HEALTHY-HUMAN SUBJECTS OF AGES 12-94
[J].
JOURNALS OF GERONTOLOGY,
1957, 12 (01)
:32-38