1. AMA Drug Evaluations (1980) 4th ed. American Medical Association, Chicago.
2. Blaey, C.J. De, enA.G. De Boer (1976)Pharm. Weekblad 111, 1216–1221.
3. Boer, Y., enH.L.M. Cox (1976)Pharm. Weekblad 111, 954–961.
4. Boer, Y., H.L.M. Cox enP.A.G.M. De Smet (1980)Pharm. Weekblad 115, 885–893.
5. Bloom, A. (1971)Practitioner 206, 85–90.