TY  - RPRT
TI  - Cholera enterotoxin free from permeability factor?
AU  - G F Grady
AU  - M C Chang
PY  - 1970
DO  - 10.1093/infdis/121.supplement.s92
UR  - https://pubmed.ncbi.nlm.nih.gov/5421433/
ID  - 5421433
ER  -