@misc{indiciaee775823b7e3f, title = {Pertussis: persistent problems.}, author = {C C Linnemann and J C Partin and P H Perlstein and G S Englender}, year = {1974}, doi = {10.1016/s0022-3476(74)80496-8}, url = {https://pubmed.ncbi.nlm.nih.gov/4374520/}, note = {Source identifier: 4374520} }