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Grover SA, Lowensteyn I, Esrey KL, Steinert Y, Joseph L, Abrahamowicz M.Grover SA, et al.BMJ. 1995 Apr 15;310(6985):975-8. doi: 10.1136/bmj.310.6985.975.BMJ. 1995.PMID: 7728035Free PMC article.
Grover SA, Gray-Donald K, Joseph L, Abrahamowicz M, Coupal L.Grover SA, et al.Arch Intern Med. 1994 Aug 8;154(15):1697-704.Arch Intern Med. 1994.PMID: 8042886
Lowensteyn I, Joseph L, Grover S.Lowensteyn I, et al.J Cardiopulm Rehabil. 1997 Jul-Aug;17(4):253-60. doi: 10.1097/00008483-199707000-00006.J Cardiopulm Rehabil. 1997.PMID: 9271769