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The long-term outcome in Crohn's disease.
Harper PH, Fazio VW, Lavery IC, Jagelman DG, Weakley FL, Farmer RG, Easley KA. Harper PH, et al. Dis Colon Rectum. 1987 Mar;30(3):174-9. doi: 10.1007/BF02554332. Dis Colon Rectum. 1987. PMID: 3829859
Comparison of sodium and potassium intake with excretion.
Schachter J, Harper PH, Radin ME, Caggiula AW, McDonald RH, Diven WF. Schachter J, et al. Among authors: harper ph. Hypertension. 1980 Sep-Oct;2(5):695-9. doi: 10.1161/01.hyp.2.5.695. Hypertension. 1980. PMID: 7419270