TY  - GEN
AU  - Gerard,A
TI  - [Headache and migraine: their relation to the digestive system]
SN  - 0024-3507
PY  - 1977///0718
KW  - Biliary Tract Diseases
KW  - complications
KW  - Gastrointestinal Diseases
KW  - Headache
KW  - etiology
KW  - Humans
KW  - Liver Diseases
KW  - Migraine Disorders
N1  - Publication Type: Journal Article
ER  -