Kaushal, Kanica2015-06-272015-06-272015-02Kaushal Kanica. Matching for risk factors in case control studies. Indian Journal of Medical Research. 2015 Feb; 141 (2): 245.http://imsear.searo.who.int/handle/123456789/158483enAge GroupsCase-Control StudiesHumansMalaysiaRisk FactorsMatching for risk factors in case control studies.Article