Osteoarthritis
Knee OA: greater reduction in pain after walking with high-molecular-weight HA vs saline
Semin Arthritis Rheum. 2009 Aug;39(1):1-9.

Safety and efficacy of retreatment with a bioengineered hyaluronate for painful knee osteoarthritis
. 2011 7 July;():.

Osteoarthritis
Differences in hyaluronic acid characteristics influence outcomes in knee OA patients
Am J Sports Med. 2016 Aug;44(8):2158-65

Osteoarthritis
Single IA injection of NASHA hyaluronic acid not effective overall for pain in knee OA
Curr Med Res Opin. 2014 Feb;30(2):279-86

Osteoarthritis
No difference in clinical efficacy between single NASHA and placebo injection for knee OA
Osteoarthritis Cartilage. 2004 Aug;12(8):642-9.

Osteoarthritis
Effectiveness of knee OA treatments on pain reduction: hyaluronic acid, naproxen & placebo
. 1998 ;():.

General Orthopaedics
Brands and risk of bias lead to inconsistency in trials on glucosamine use for arthritis
Arthritis Care Res (Hoboken). 2014 Dec;66(12):1844-55.

Osteoarthritis
Acetaminophen is a suitable treatment for moderate osteoarthritis pain of the knee
Osteoarthritis Cartilage. 2009 Jan;17(1):1-7. Epub 2008 Jul 21