[Winkelmann's operation on boys].
D000293:Adolescent; D002648:Child; D005500:Follow-Up Studies; D007839:Functional Laterality; D006801:Humans; D008297:Male; D006848:Testicular Hydrocele / Q000235:genetics / Q000601:surgery*; D013737:Testis / Q000601:surgery*
Winkelmanns operation hos drenge.