@misc{indiciae3aa9864fb7ca, title = {Pneumococcal vaccines.}, author = {J D Campbell and M B Rennels}, year = {1999}, doi = {10.1358/dot.1999.35.6.544932}, url = {https://pubmed.ncbi.nlm.nih.gov/12973392/}, note = {Source identifier: 12973392} }