TY  - RPRT
TI  - Comfrey and liver damage.
AU  - J N Roitman
PY  - 1981
DO  - 10.1016/s0140-6736(81)91638-x
UR  - https://pubmed.ncbi.nlm.nih.gov/6112346/
ID  - 6112346
ER  -