title: Apples and oranges in seminoma: a comparison of U.S.A. and Canadian experience.
mesh_terms: D004407:Dysgerminoma / Q000473:pathology* / Q000532:radiotherapy; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local; D013736:Testicular Neoplasms / Q000473:pathology* / Q000532:radiotherapy