Olsson, Sven S., Acke Jernberger, and Dagny Tryggö. 1981. “Clinical and Radiological Long-Term Results After Charnley-müller Total Hip Replacement: A 5 to 10 Year Follow-up Study With Special Reference to Aseptic Loosening”. Acta Orthopaedica 52 (5):531-42. https://doi.org/10.3109/17453678108992143.