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Kalbfleisch SJ, Calkins H, Langberg JJ, el-Atassi R, Leon A, Borganelli M, Morady F.Kalbfleisch SJ, et al. Among authors: langberg jj.J Am Coll Cardiol. 1992 Jun;19(7):1583-7. doi: 10.1016/0735-1097(92)90621-s.J Am Coll Cardiol. 1992.PMID: 1593054Free article.
Langberg JJ, Calkins H, Kim YN, Sousa J, el-Atassi R, Leon A, Borganelli M, Kalbfleisch SJ, Morady F.Langberg JJ, et al.J Am Coll Cardiol. 1992 Jun;19(7):1588-92. doi: 10.1016/0735-1097(92)90622-t.J Am Coll Cardiol. 1992.PMID: 1593055Free article.