High potency fish oil supplement improves omega-3 fatty acid status in healthy adults: an open-label study using a web-based, virtual platform

por Udani, Jay K, Ritz, Barry W
Publicado 2013

The Safety and Efficacy of an Enzyme Combination in Managing Knee Osteoarthritis Pain in Adults: A Randomized, Double-Blind, Placebo-Controlled Trial

por Bolten, Wolfgang W., Glade, Michael J., Raum, Sonja, Ritz, Barry W.
Publicado 2015

Eggshell membrane in the treatment of pain and stiffness from osteoarthritis of the knee: a randomized, multicenter, double-blind, placebo-controlled clinical study

por Ruff, Kevin J., Winkler, Anne, Jackson, Robert W., DeVore, Dale P., Ritz, Barry W.
Publicado 2009