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Vogel M, Smallhorn JF, Freedom RM.Vogel M, et al. Among authors: smallhorn jf.J Am Coll Cardiol. 1992 Oct;20(4):915-9. doi: 10.1016/0735-1097(92)90193-q.J Am Coll Cardiol. 1992.PMID: 1527302Free article.
Musewe NN, Alexander DJ, Teshima I, Smallhorn JF, Freedom RM.Musewe NN, et al. Among authors: smallhorn jf.J Am Coll Cardiol. 1990 Mar 1;15(3):673-7. doi: 10.1016/0735-1097(90)90644-5.J Am Coll Cardiol. 1990.PMID: 2303637Free article.
Vogel M, Smallhorn JF, Stein JI, Freedom RM.Vogel M, et al. Among authors: smallhorn jf.J Am Coll Cardiol. 1990 May;15(6):1409-16. doi: 10.1016/s0735-1097(10)80032-4.J Am Coll Cardiol. 1990.PMID: 2329243Free article.