TY  - RPRT
TI  - Hepatitis: definitions amplified.
AU  - B S Mittler
AU  - H Popper
AU  - F Schaffner
PY  - 1971
DO  - 10.1056/nejm197107222850417
UR  - https://pubmed.ncbi.nlm.nih.gov/5087730/
ID  - 5087730
ER  -