title: Idiopathic gynecomastia in seven preadolescent boys. Elevation of urinary estrogen excretion in two cases.
mesh_terms: D015068:17-Ketosteroids / Q000652:urine; D000367:Age Factors; D001940:Breast / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D004967:Estrogens / Q000652:urine; D006177:Gynecomastia / Q000151:congenital / Q000209:etiology* / Q000235:genetics / Q000473:pathology / Q000601:surgery / Q000652:urine; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011627:Puberty; D013739:Testosterone / Q000652:urine; D013997:Time Factors
chemical_list: D015068:17-Ketosteroids; D004967:Estrogens; D013739:Testosterone