Weihs, J; Scacchi, P; Hess, R; Albers, CE (2016). [Resection at symptomatic cam impingement. Use of a minimally invasive antero-lateral approach]. Orthopäde, 45(4), pp. 349-354. Springer-Medizin-Verlag 10.1007/s00132-015-3180-2