If you are dealing with knee pain that's been compromising your quality of life, a good starting point could well be to refer to an orthopaedic specialist for a proper diagnosis. Grafts can be obtained from many resources. Often They're taken through the patellar tendon, which runs involving the kneecap https://www.theorthopaedicandpainpractice.com/do-i-have-a-knee-tendon-injury/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB