Checking random assignment with claims data.
Cohen
M
M
Kaufert
P
P
MacWiliam
L
L
Tate
R
R
D000328:Adult; D001943:Breast Neoplasms / Q000517:prevention & control*; D005260:Female; D006801:Humans; D007345:Insurance Claim Review; D008327:Mammography; D008350:Manitoba; D008403:Mass Screening; D008875:Middle Aged; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design