TY  - GEN
AU  - Sharpe,C
TI  - Adjustment for age at first birth in etiologic studies of breast cancer involving exposures that may affect age at first birth
SN  - 1044-3983
PY  - 1999///0304
KW  - Breast Neoplasms
KW  - epidemiology
KW  - Female
KW  - Humans
KW  - Maternal Age
N1  - Publication Type: Letter
UR  - https://doi.org/10.1097/00001648-199901000-00019
ER  -