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Barkun AN, Camus M, Meagher T, Green L, Coupal L, De Stempel J, Grover SA.Barkun AN, et al. Among authors: coupal l.Am J Med. 1989 Nov;87(5):562-6. doi: 10.1016/s0002-9343(89)80615-1.Am J Med. 1989.PMID: 2683766
Grover SA, Abrahamowicz M, Joseph L, Brewer C, Coupal L, Suissa S.Grover SA, et al. Among authors: coupal l.JAMA. 1992 Feb 12;267(6):816-22.JAMA. 1992.PMID: 1732653
Barkun AN, Camus M, Green L, Meagher T, Coupal L, De Stempel J, Grover SA.Barkun AN, et al. Among authors: coupal l.Am J Med. 1991 Nov;91(5):512-8. doi: 10.1016/0002-9343(91)90188-4.Am J Med. 1991.PMID: 1951414
Grover SA, Coupal L, Fahkry R, Suissa S.Grover SA, et al. Among authors: coupal l.CMAJ. 1991 Jan 15;144(2):161-8.CMAJ. 1991.PMID: 1986828Free PMC article.