[COURSE OF THE GASTRODUODENAL ULCER AFTER THE AGE OF 60. STATISTICAL CONSIDERATIONS].
D001699:Biometry; D005853:Geriatrics; D010437:Peptic Ulcer; D013223:Statistics as Topic
GERIATRICS; PEPTIC ULCER; STATISTICS
EVOLUTION DE L'ULC'ERE GASTRO-DUOD'ENAL AU-DELA DE 60 ANS. CONSID'ERATIONS STATISTIQUES.