Includes 4 published papers by the author as part of appendix 9 / Bibliography: leaves 1-19 (second sequence) / System requirements for accompanying computer disk: IBM-compatible computer. Other requirements: Dbase. / 1 v. (various pagings) ; / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Summary: describes and evaluates an economical method of collecting a large amount of data on thousands of patients suffering from essential hypertension and establishes the reliability of the data collected in this way. Also provides information on the tolerability and effectiveness of nifedipine / Thesis (M.D)--Dept. of Clinical and Experimental Pharmacology, University of Adelaide, 1993