Product information. Methylphenidate. Santa Ana, CA: MD Pharmaceutical Inc., May 1991.
4.
United States Pharmacopeial Convention, Inc. Fifth supplement to USP 23 NF 18. Rockville, MD: United States Pharmacopeial Convention1996:3423.
5.
ErramouspeJJarviEJ. Comparison of dissolution between regular-release and halves of extended-release methylphenidate tablets. J Pharm Technol1998;14: 209–11.