Bone Marrow therapy Knee Osteo-athritis India Dr.A.K.Venkatachalam Posted by Venkatachalam on April 14, 2017 with 0 Comment ShareBone Marrow therapy Knee Osteo-athritis India Dr.A.K.Venkatachalam patient’s testimonial. If you want this procedure, please seek an appointment in Chennai with the doctor by e mailing drvenkat@kneeindia.com. Share