共 5 条
- [2] Etheridge EW., 1992, Sentinel for Health: A History of the Centers for Disease Control
- [3] EFFECT OF OCCUPATIONAL LEAD-EXPOSURE ON SERUM 1,25-DIHYDROXYVITAMIN-D LEVELS [J]. HUMAN & EXPERIMENTAL TOXICOLOGY, 1990, 9 (01): : 29 - 34
- [4] Public Health Service, 1979, DHEW PUBL, V(PHS) 79-55071
- [5] *US DEP HHS, 1989, MMWR-MORBID MORTAL W, V38, P629