TY - GEN AU - Hernborg,J S AU - Nilsson,B E TI - The natural course of untreated osteoarthritis of the knee SN - 0009-921X PY - 1977///0622 KW - Age Factors KW - Aged KW - Female KW - Follow-Up Studies KW - Humans KW - Knee Joint KW - diagnostic imaging KW - Male KW - Middle Aged KW - Osteoarthritis KW - Physical Therapy Modalities KW - Radiography N1 - Publication Type: Journal Article ER -