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关键词
Adnexitis--etiologyAmericasBiasBiologyCase Control StudiesContraceptionContraceptive Methods--complicationsCritiqueData AnalysisDelivery Of Health CareDeveloped CountriesDiseasesError SourcesEvaluationFamily PlanningHealthHealth PersonnelHealth SurveysIncidenceInfectionsIud--complicationsMeasurementNorth AmericaNorthern AmericaPelvic Inflammatory DiseasePhysiciansReproductive Tract InfectionsResearch MethodologyRisk AssessmentRisk FactorsStudiesUnited States
主题词
成年人(Adult);病例对照研究(Case-Control Studies);数据说明, 统计(Data Interpretation, Statistical);女(雌)性(Female);人类(Humans);采访(主题)(Interviews as Topic);宫内避孕器(Intrauterine Devices);盆腔炎性疾病(Pelvic Inflammatory Disease);研究设计(Research Design);危险因素(Risk Factors);性伴侣(Sexual Partners);社会经济因素(Socioeconomic Factors)
DOI
10.1016/0895-4356(91)90259-c
PMID
1995772
发布时间
2019-08-28
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