TY - GEN AU - Lynch,H T AU - Albano,W A AU - Layton,M A AU - Kimberling,W J AU - Lynch,J F TI - Breast cancer, genetics, and age at first pregnancy SN - 0022-2593 PY - 1984///0612 KW - Adult KW - Age Factors KW - Aged KW - Breast Neoplasms KW - epidemiology KW - Female KW - Humans KW - Middle Aged KW - Parity N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/jmg.21.2.96 ER -