@misc{indiciaea44eec54cd93, title = {Hepatitis B: global importance and need for control.}, author = {J E Maynard}, year = {1990}, doi = {10.1016/0264-410x(90)90209-5}, url = {https://pubmed.ncbi.nlm.nih.gov/2139281/}, note = {Source identifier: 2139281} }