1. J.E.F. Reynolds (Ed)., Martindale. The Extra Pharmacopoeia, The Pharmaceutical Press, London, 1993, p. 192.
2. Pipemidic acid: absorption, distribution, and excretion;Shimizu;Antimicrob. Agents Chemother.,1975
3. The United States Pharmacopoeia 23. The National Formulary 18, United States Pharmacopeial Convention, Inc., Rockville-MOL L-1D, 1995, p. 1047.
4. The Pharmacopoeia of Japan, 8th Edition, Part I, The Society of Japanese Pharmacopoeia, Japan, 1973, p. 23.
5. P.E. Grubb, Analytical Profiles of Drug Substances, Vol. 8, Academic Press, New York, 1979, p. 371.