@misc{indiciae214c270f05ec, title = {Defining delayed immunizations.}, author = {D A Varrasso and I Redlener}, year = {1992}, doi = {10.1097/00006454-199210000-00022}, url = {https://pubmed.ncbi.nlm.nih.gov/1408498/}, note = {Source identifier: 1408498} }