TY  - RPRT
TI  - Leeches and hepatitis B.
AU  - M Narendranathan
PY  - 1992
DO  - 10.1016/0140-6736(92)92013-6
UR  - https://pubmed.ncbi.nlm.nih.gov/1350029/
ID  - 1350029
ER  -