TY  - GEN
AU  - Donaldson,R M
TI  - Factors complicating observed associations between peptic ulcer and other diseases
SN  - 0016-5085
PY  - 1975///0903
KW  - Arthritis
KW  - complications
KW  - Crohn Disease
KW  - Epidemiologic Methods
KW  - Female
KW  - Humans
KW  - Male
KW  - Myasthenia Gravis
KW  - Myocardial Infarction
KW  - Peptic Ulcer
KW  - Referral and Consultation
N1  - Publication Type: Journal Article; Review
ER  -