@misc{indiciae9743575b7dae, title = {e antigen in acute hepatitis B.}, author = {G Norkrans and L Magnius and S Iwarson}, year = {1976}, doi = {10.1136/bmj.1.6012.740}, url = {https://pubmed.ncbi.nlm.nih.gov/56971/}, note = {Source identifier: 56971} }