de Sanjosé, S Socioeconomic differences in cervical cancer: two case-control studies in Colombia and Spain. [electronic resource] - American journal of public health Nov 1996 - 1532-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0090-0036 Standard No.: 10.2105/ajph.86.11.1532 doi Subjects--Topical Terms: AdultCase-Control StudiesColombia--epidemiologyDNA, Viral--isolation & purificationFemaleHumansMiddle AgedOdds RatioPapillomaviridae--geneticsPrevalenceRisk FactorsSocioeconomic FactorsSpain--epidemiologyUterine Cervical Neoplasms--epidemiology