The case-control study and its potential biases.
Yazici
H
H
van der Linden
S
S
D001168:Arthritis / Q000453:epidemiology* / Q000209:etiology; D015982:Bias; D016022:Case-Control Studies; D004812:Epidemiologic Methods; D006801:Humans; D015995:Prevalence; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000150:complications* / Q000453:epidemiology