1. Absorption, testing and clinical evaluation of oral prolonged-action drugs;Lazarus;J. pharm. Sci.,1961
2. Drugs with Delayed and Prolonged Action
3. Oral medication with preparations for prolonged action;Dragstedt;J. Amer. med. Ass.,1958
4. Timed disintegration medication: need for more quantitative criteria;Campbell;Canad. med. Ass. J.,1957
5. Physiological availability of drugs in tablets;Chapman;Canad. med. Ass. J.,1957