@misc{10009, author = {A. Apter and J. Kinman and W. Bilker and M. Herlim and D. Margolis and E. Lautenbach and S. Hennessy and B. Strom}, title = {Is there cross-reactivity between penicillins and cephalosporins?}, year = {2006}, journal = {Am J Med}, volume = {119}, number = {4}, pages = {11-9}, issn = {0002-9343}, doi = {10.1016/j.amjmed.2005.10.052}, }