@misc{indiciae5b416a48efae, title = {Letter: Meningococcal prophylaxis.}, author = {T C Eickhoff}, year = {1975}, doi = {10.1001/jama.234.2.150}, url = {https://pubmed.ncbi.nlm.nih.gov/1242146/}, note = {Source identifier: 1242146} }