1. The Effects of Charcoal and Sorbitol (Alone and in Combination) on Plasma Theophylline Concentrations after a Sustained-Release Formulation
2. Al-Shareef, A., Buss, D. C , Alldridge, G. L., and Routledge, P. A. (1992). Effects of cathartics on drug adsorption by activated charcoal in vitro (abstract), EAPCCT XV Congress, Istanbul, May 24-27, p.83.