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Harper CM, Engel AG.Harper CM, et al.Ann N Y Acad Sci. 1998 May 13;841:203-6. doi: 10.1111/j.1749-6632.1998.tb10929.x.Ann N Y Acad Sci. 1998.PMID: 9668241Clinical Trial.No abstract available.
Harper CM, Fukodome T, Engel AG.Harper CM, et al.Neurology. 2003 May 27;60(10):1710-3. doi: 10.1212/01.wnl.0000061483.11417.1b.Neurology. 2003.PMID: 12771277
Engel AG, Nagel A, Walls TJ, Harper CM, Waisburg HA.Engel AG, et al. Among authors: harper cm.Muscle Nerve. 1993 Dec;16(12):1284-92. doi: 10.1002/mus.880161204.Muscle Nerve. 1993.PMID: 8232383
Nagel A, Engel AG, Walls TJ, Harper CM, Waisburg HA.Nagel A, et al. Among authors: harper cm.Ann N Y Acad Sci. 1993 Jun 21;681:509-14. doi: 10.1111/j.1749-6632.1993.tb22934.x.Ann N Y Acad Sci. 1993.PMID: 8357192No abstract available.
Walls TJ, Engel AG, Nagel AS, Harper CM, Trastek VF.Walls TJ, et al. Among authors: harper cm.Ann N Y Acad Sci. 1993 Jun 21;681:461-8. doi: 10.1111/j.1749-6632.1993.tb22930.x.Ann N Y Acad Sci. 1993.PMID: 8395161No abstract available.
Hutchinson DO, Engel AG, Walls TJ, Nakano S, Camp S, Taylor P, Harper CM, Brengman JM.Hutchinson DO, et al. Among authors: harper cm.Ann N Y Acad Sci. 1993 Jun 21;681:469-86. doi: 10.1111/j.1749-6632.1993.tb22931.x.Ann N Y Acad Sci. 1993.PMID: 8395162No abstract available.