@misc{indiciae1e78a204ac7f, title = {Changing trends in infectious hepatitis.}, author = {W P Havens}, year = {1967}, doi = {10.1016/s0025-7125(16)33034-6}, url = {https://pubmed.ncbi.nlm.nih.gov/4164682/}, note = {Source identifier: 4164682} }