http://whqlibdoc.who.int/hq/2000/WHO_EDM_QSM_00.1.pdf

It suggests criteria and methods which drug regulatory agencies can employ in determining the suitability of medicinal products for use in self-medication, and provides guidance on documentation for new active substances, never marketed as prescription medicines, to accompany applications for self-medication marketing authorization. Document in pdf format; Acrobat Reader required.