1. Soller RW. OTCness. Drug Inf J. 1997;32:555–560.
2. U. S. Public Law 82-215, 1951.
3. Hutt P. A legal framework for future decisions on transferring drugs from prescription to nonprescription status. Rx-OTC, New Resources in Self-Medication. Symposium sponsored by the Consumer Healthcare Products Association, 34-39. Washington, 1982.
4. 21 Code of Federal Regulations 330.10(a)(4)(i).
5. 21 Code of Federal Regulations 330.10(a)(4)(ii).