Topical herbal analgesic and anti arthritic (max-relief) versus Diclofenac in symptomatic treatment of osteoarthritis of the knee: a randomized controlled trial Journal title: Indian Journal of Research in Pharmacy and Biotechnology Authors: Md Q Azam, Abdallah A Al-Othman, Mir Sadat-Ali, Ahmed A Tantawy Subject(s): Biotechnology, Pharmacy