David R. Friend

In Vitro and Ex Vivo Testing of Tenofovir Shows It Is Effective As an HIV-1 Microbicide

Lisa C. Rohan, Bernard J. Moncla, Ratiya Pamela Kunjara Na Ayudhya et al. · PLoS ONE · 2010 · 181 citations · Full text

Colon-specific drug delivery

David R. Friend · Advanced Drug Delivery Reviews · 1991 · 172 citations

Colon-specific Drug Delivery, Medicine, Gastroenterology +4

In vitro skin permeation techniques

David R. Friend · Journal of Controlled Release · 1992 · 137 citations

Tissue Engineering, Engineering, Cutaneous Biology +7

Drug glycosides: potential prodrugs for colon-specific drug delivery

David R. Friend, George W. Chang · Journal of Medicinal Chemistry · 1985 · 124 citations

USP Dissolution Apparatus III (reciprocating cylinder) for screening of guar-based colonic delivery formulations

Dawn M. Wong, S Larrabee, Katie Clifford et al. · Journal of Controlled Release · 1997 · 109 citations

Gastroenterology, Pharmaceutical Technology, Gi Technique +5