title: Re: Kucharz EJ, Kovalenko V, Szántó S, et al. A review of glucosamine for knee osteoarthritis: why patented crystalline glucosamine sulfate should be differentiated from other glucosamines to maximize clinical outcomes. Curr Med Res Opin 2016;32:997-1004.
authors.forename: Ronald W
authors.initials: RW
authors.lastname: Kettenacker