@misc{indiciae54342536d0ce, title = {Letter: Protean mononucleosis.}, author = {E E Ziegler}, year = {1973}, doi = {10.1001/jama.1973.03230130059036}, url = {https://pubmed.ncbi.nlm.nih.gov/4800951/}, note = {Source identifier: 4800951} }