Mark A. Herman

Current concepts in gastrointestinal photodynamic therapy.

D. Kessel, J. Webber, M. Herman, 1999, Annals of surgery.

Hemodynamic effects of 5-aminolevulinic acid in humans.

D. Kessel, D Kessel, M A Herman, 1998, Journal of photochemistry and photobiology. B, Biology.

Effects of fractionated 5-aminolevulinic acid administration on tissue levels of protoporphyrin in vivo.

D. Kessel, Y. Luo, J. Webber, 1997, Journal of photochemistry and photobiology. B, Biology.