1. Chemical and pharmaceutical studies on medicinal plants in Paraguay. Constituents of angiotensin converting enzyme inhibitory fraction from “Cocu”,Allophylus edulis Radlk;Arisawa;Shoyakugaku Zasshi,1989
2. A new method for the in vitro screening of inhibitors of angiotensin-converting enzyme (ACE), using the chromophore- and florophore-labelled substrate, dansyl-triglycine;Elbl;Planta Med.,1991
3. Phytochemische und pharmakologische Untersuchungen der kardiovaskulären Wirkprinzipien von Cecropia hololeuca Miq., C. pachstachya Tréc., Cecropia glaziovii Sneth., Musanga cecropioides R. Brown und Crataegus L. monogyna/oxyacantha PhD thesi;Franck,1998
4. 2D-NMR structure elucidation of a procyanidin fromMusanga cecropioides;Franck;ACH-Models in Chemistry,1999
5. Isolation of angiotensin converting enzyme (ACE) inhibitor from Olea europea and Olea lancea;Hansen;Phytomedicine,1996