1. Clinical Chemistry: Principles and Technique;Henry,1964
2. Sequential medical trials;Armitage,1960
3. The surgical treatment of acute cholecystitis;Glenn;Surg. Gynec. & Obst.,1963
4. The controlled therapeutic trial in gastroenterology;Truelove;Am. J. Digest. Dis.,1964
5. Controlled Clinical Trials,1960