Ovarian cancer; some epidemiological features.
D000367:Age Factors; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality / Q000473:pathology; D012424:Rural Population; D014171:Transients and Migrants; D014505:Urban Population