Wakayoshi, K., Tomoda, Y., Doi, T., Hiraoka, M., Urita, Y., Tezuka, K., . . . Shimojo, H. (1987). Injuries of water polo players - in special regard to the knee joint. Japanese journal of physical fitness and sports medicine, 36(2), S. 85-94.

Wakayoshi, Koji, Yukinori Tomoda, Tokuhide Doi, Makoto Hiraoka, Yoshihisa Urita, Kazushi Tezuka, Toru Fukubayashi, Yutaka Kamimaki, and Hitoshi Shimojo. "Injuries of water polo players - in special regard to the knee joint." Japanese journal of physical fitness and sports medicine 36, no. 2 (1987): S. 85-94.

Wakayoshi, Koji, et al. "Injuries of water polo players - in special regard to the knee joint." Japanese journal of physical fitness and sports medicine 36.2 (1987): S. 85-94.