TY  - GEN
AU  - Byar,D P
TI  - Factorial and reciprocal control designs
SN  - 0277-6715
PY  - 1990///0629
KW  - Colorectal Neoplasms
KW  - prevention & control
KW  - Humans
KW  - Lung Neoplasms
KW  - Male
KW  - Mass Screening
KW  - methods
KW  - Primary Prevention
KW  - Prostatic Neoplasms
KW  - Randomized Controlled Trials as Topic
KW  - Research Design
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1002/sim.4780090112
ER  -