Friendly control bias.
Siemiatycki
J
J
Epidemiology and Preventive Medicine Research Centre, Institut Armand-Frappier, Laval-des-Rapides, Quebec, Canada.
D002648:Child; D003922:Diabetes Mellitus, Type 1 / Q000209:etiology / Q000523:psychology; D004812:Epidemiologic Methods; D006801:Humans; D012107:Research Design; D012307:Risk Factors; D012917:Social Adjustment; D012959:Socioeconomic Factors