TY  - RPRT
TI  - Current concepts: pancreatic extracts.
AU  - A Littman
AU  - D H Hanscom
PY  - 1969
DO  - 10.1056/nejm196907242810406
UR  - https://pubmed.ncbi.nlm.nih.gov/4892805/
ID  - 4892805
ER  -