Publications by authors named "Mark A Callahan"

Michael J Lipp, Damion C Nero, Mark A Callahan

J Gastroenterol Hepatol· November 2012


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Damion C Nero, Michael J Lipp, Mark A Callahan

J Health Care Finance· June 2012


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Tara F Bishop, Paul E Klotman, Bruce C Vladeck, Mark A Callahan

Am J Med· August 2010


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