TY  - GEN
AU  - Vessey,M P
AU  - Doll,R
AU  - Jones,K
TI  - Oral contraceptives and breast cancer. Progress report of an epidemiological study
SN  - 0140-6736
PY  - 1975///0807
KW  - Adolescent
KW  - Adult
KW  - Age Factors
KW  - Breast Neoplasms
KW  - chemically induced
KW  - Contraceptives, Oral
KW  - administration & dosage
KW  - England
KW  - Female
KW  - Humans
KW  - London
KW  - Menopause
KW  - Middle Aged
KW  - Parity
KW  - Social Class
KW  - Time Factors
KW  - Wales
N1  - Publication Type: Comparative Study; Journal Article
UR  - https://doi.org/10.1016/s0140-6736(75)92005-x
ER  -