@misc{indiciae099e52a530e6, title = {Precautions against hepatitis B.}, author = {J Bryant and S Pirwitz}, year = {1990}, doi = {10.7326/0003-4819-113-10-807\_3}, url = {https://pubmed.ncbi.nlm.nih.gov/2240891/}, note = {Source identifier: 2240891} }