Maintenance: Thursday, 22 March 2018, 18:00-18:15
Maintenance work on the ZORA servers is provided. There may be short interruptions in the service between 18:00 and 18:15. Thank you for your patience.
Simon, E A; Saur, F; Buerge, M; Glaab, R; Roos, Malgorzata; Kohler, G (2004). Inter-observer agreement of ultrasonographic measurement of alpha and beta angles and the final type classification based on the Graf method. Swiss Medical Weekly, 134(45-46):671-677.