- SN Willich, K Rossnagel, S Roll, A Wagner, O.Mune, J.Erlendson, A Kharazmi, H Sorensen, and K Winther. Rose hip herbal remedy in patients with rheumatoid arthritis – a randomized controlled trial. Phytomedicine, 2010, 17:87-93.
- N Richard, S Wolfram and J Schwager. Anti-inflammatory and chondro-protective effects of Rose hip powder and its constituent galactolipid GOPO. Osteoarthritis and Cartilage, 2008, 16, supplement 4:76.
- K Winther, K Apel and G Thamsborg. A powder made from seeds and shells of a rose-hip subspecies (Rosa canina) reduces symptoms of knee and hip osteoarthritis: a randomized, double-blind, placebo-controlled clinical trial. Scand J Rheumatol, 2005, 34:302-308.
- E Rein, A Kharazmi and K Winther. A herbal remedy, Hyben Vital (stand. powder of a subspecies of Rosa canina fruits), reduces pain and improves general wellbeing in patients with osteoarthritis – a double-blind, placebo-controlled, randomized trial. Phytomedicine, 2004, 11:383-391.
- Warholm, S Skaar, E Hedman, HM Molmen and L Eik. The effects of a standardized herbal remedy made from a subtype of Rosa canina in patients with osteoarthritis: a double-blind, randomized, placebo-controlled clinical trial. Current Therapeutic Research, 2003, 64:21-31.
- A Kharasmi and K Winther. Rose hip inhibits chemotaxis and chemiluminescence of human peripheral blood neutrophils in vitro and reduces certain inflammatory parameters in vivo. Inflammopharmacology, 1999, 4:377-386.
- K Winther , E Rein and A Kharazmi. The anti-inflammatory properties of rose-hip. Inflammopharmacology, 1999, 7:63-68.
Studies in blue indicate placebo-controlled, double-blind clinical studies.