TY  - GEN
AU  - Janerich,D T
TI  - Letter: Epidemiology of birth defects
SN  - 0140-6736
PY  - 1976///0311
KW  - Congenital Abnormalities
KW  - epidemiology
KW  - Environment
KW  - Female
KW  - Humans
KW  - Pregnancy
KW  - Teratogens
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/s0140-6736(75)90637-6
ER  -