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Ettinger PO, Lyons M, Oldewurtel HA, Regan TJ.Ettinger PO, et al.Am Heart J. 1976 Jan;91(1):66-78. doi: 10.1016/s0002-8703(76)80436-x.Am Heart J. 1976.PMID: 942675
Ettinger PO, Wu CF, De La Cruz C Jr, Weisse AB, Ahmed SS, Regan TJ.Ettinger PO, et al.Am Heart J. 1978 May;95(5):555-62. doi: 10.1016/0002-8703(78)90296-x.Am Heart J. 1978.PMID: 636996No abstract available.