title: Etiology of urethral syndrome: preliminary report.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003094:Collagen / Q000032:analysis / Q000378:metabolism; D003239:Connective Tissue Cells; D004106:Dilatation; D004548:Elasticity; D004967:Estrogens / Q000627:therapeutic use; D005260:Female; D006801:Humans; D006909:Hydroxyproline / Q000032:analysis; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008722:Methods; D008875:Middle Aged; D011247:Pregnancy; D013053:Spectrophotometry; D014521:Urethra / Q000032:analysis / Q000503:physiopathology; D014525:Urethral Stricture / Q000188:drug therapy / Q000209:etiology* / Q000517:prevention & control / Q000628:therapy
chemical_list: D004967:Estrogens; D003094:Collagen; D006909:Hydroxyproline