Ladha, L LChaudhary, SMathur, P NSingh, SChaplot, G S1975-07-012009-05-301975-07-012009-05-301975-07-01Ladha LL, Chaudhary S, Mathur PN, Singh S, Chaplot GS. Urinary 17-ketosteroid and uropepsin excretion in active duodenal ulcer patients. Journal of the Association of Physicians of India. 1975 Jul; 23(7): 423-6http://imsear.searo.who.int/handle/123456789/90141eng17-Ketosteroids --urineDuodenal Ulcer --urineEndopeptidases --urineHumansUrinary 17-ketosteroid and uropepsin excretion in active duodenal ulcer patients.Journal Article