TY  - GEN
AU  - Hennekens,C H
AU  - Buring,J E
TI  - Validity versus generalizability in clinical trial design and conduct
SN  - 1071-9164
PY  - 1998///1204
KW  - Adult
KW  - Age Distribution
KW  - Cardiovascular Diseases
KW  - classification
KW  - Clinical Trials as Topic
KW  - methods
KW  - Eligibility Determination
KW  - Female
KW  - Humans
KW  - Male
KW  - Mass Screening
KW  - Patient Selection
KW  - Randomized Controlled Trials as Topic
KW  - Reproducibility of Results
KW  - Research Design
KW  - Selection Bias
KW  - Sex Distribution
N1  - Publication Type: Comment; Editorial
UR  - https://doi.org/10.1016/s1071-9164(98)80014-6
ER  -