Tornvall P
No ORCID on file
· 3 papers in corpus
observational
2016
OBJECTIVES: Despite the high prevalence of endometriosis among women of reproductive age, risk factors or markers for developing the condition remain largely unknown. Many of the published studies are based on small selected samples. We the…
other
2016
OBJECTIVE: To examine the validity of self-reported endometriosis and to improve the reliability of questionnaires by including endometriosis-related questions. DESIGN: Analysis of survey questionnaire data. SETTING: Cross-sectional study…
observational
2015
OBJECTIVE: To estimate the relative contribution of genetic influences and prevalence on endometriosis. DESIGN: Analysis of self-reported data from a nationwide population-based twin registry. SETTING: Not applicable. PATIENT(S): A total…