TY  - GEN
AU  - Manson,J E
AU  - Buring,J E
AU  - Satterfield,S
AU  - Hennekens,C H
TI  - Baseline characteristics of participants in the Physicians' Health Study: a randomized trial of aspirin and beta-carotene in U.S. physicians
SN  - 0749-3797
PY  - 1991///1219
KW  - Adult
KW  - Aged
KW  - Aspirin
KW  - therapeutic use
KW  - Carotenoids
KW  - Confounding Factors, Epidemiologic
KW  - Double-Blind Method
KW  - Humans
KW  - Life Style
KW  - Male
KW  - Middle Aged
KW  - Myocardial Infarction
KW  - prevention & control
KW  - Neoplasms
KW  - Reproducibility of Results
KW  - beta Carotene
N1  - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, U.S. Gov't, P.H.S
ER  -