in 83 normal subjects the effect of an isotonic eletrolyte solution ( control ) and different cathartic agents on rectal pd was tested : laxatives ( bisacodyl , rhein ) , bile acids ( cholic and deoxycholic acid ) , fatty acids ( oleic and ricinoleic acid ) and cardiac glycosides ( meproscillarin , digitoxin , digoxin ) .
C0007158
cardiac glycosides
C0012265
digoxin