Association Between Purchase of Over-the-Counter Medications and Ovarian Cancer Diagnosis in the Cancer Loyalty Card Study (CLOCS): Observational Case-Control Study

BackgroundOver-the-counter (OTC) medications are frequently used to self-care for nonspecific ovarian cancer symptoms prior to diagnosis. Monitoring such purchases may provide an opportunity for earlier diagnosis. ObjectiveThe aim of the Cancer Loyalty Card Study...

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Bibliographic Details

Published in:	JMIR Public Health and Surveillance
Main Authors:	Hannah R Brewer, Yasemin Hirst, Marc Chadeau-Hyam, Eric Johnson, Sudha Sundar, James M Flanagan
Format:	Article
Language:	English
Published:	JMIR Publications 2023-01-01
Online Access:	https://publichealth.jmir.org/2023/1/e41762