AU  - BILLINGS F
TI  - HEadaches of gastro-intestinal disorders.
PT  - JOUR
DP  - 1899
TA  - Journal of the American Medical Association
pages = {760-762},
VI  - XXXIII
IP  - 13
AID  - 10.1001/jama.1899.92450650010001c [doi]
4100  - http://dx.doi.org/10.1001/jama.1899.92450650010001c
SO  - Journal of the American Medical Association September 23, 1899 XXXIII(13):760