Statistical methods in research.
Greenberg
E R
ER
Stukel
T A
TA
Baron
J A
JA
Freeman
D H
DH
D000367:Age Factors; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D007348:Insurance, Health; D016015:Logistic Models; D008175:Lung Neoplasms / Q000532:radiotherapy / Q000601:surgery; D008393:Marriage; D015233:Models, Statistical; D011336:Probability