TY - GEN AU - Bauer,B AU - Bergmann,M TI - [Psychological factors in duodenal ulcers] SN - 0012-1053 PY - 1982///0708 KW - Adult KW - Conflict, Psychological KW - Duodenal Ulcer KW - psychology KW - Extraversion, Psychological KW - Family KW - Humans KW - Introversion, Psychological KW - Male KW - Neurotic Disorders KW - complications KW - Occupations N1 - Publication Type: Journal Article ER -