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Sannajust F, Head GA.Sannajust F, et al. Among authors: head ga.Am J Cardiol. 1994 Dec 22;74(13):7A-19A. doi: 10.1016/0002-9149(94)90036-1.Am J Cardiol. 1994.PMID: 7998588
Chan CK, Head GA.Chan CK, et al. Among authors: head ga.J Hypertens. 1996 Jul;14(7):855-64. doi: 10.1097/00004872-199607000-00008.J Hypertens. 1996.PMID: 8818924
Head GA, Gundlach AL, Musgrave IF.Head GA, et al.J Auton Nerv Syst. 1998 Oct 15;72(2-3):74-9. doi: 10.1016/s0165-1838(98)00090-3.J Auton Nerv Syst. 1998.PMID: 9851554Review.
Head GA, Chan CK, Burke SL.Head GA, et al.J Auton Nerv Syst. 1998 Oct 15;72(2-3):163-9. doi: 10.1016/s0165-1838(98)00101-5.J Auton Nerv Syst. 1998.PMID: 9851565Review.