HarukaN.TetsuyaT.HirokazuK. (2011) Incidence of external auditory canal exotoses in competitive surfers in Japan. Otolaryngolgy Head and Neck Surgery145(1): 80–85. DOI: 10.1017/S0022215111000041.
2.
KroonD.LawsonL.DerkayC.HoffmanK.McCookJ. (2002) Surfer’s ear: External auditory exostoses are more prevalent in cold water surfers. Otolaryngolgy Head and Neck Surgery126(5): 499–504.