Miki, Takåki, Takao Yamamuro, Yoshihiko Kotoura, Mutsumi Matsushita, Yasuhiko Shimizu, and Tatsuo Nakamura. 1985. “Osteosarcoma With Multiple Intramuscular Metastases: A Case Report”. Acta Orthopaedica 56 (1):92-95. https://doi.org/10.3109/17453678508992991.