Zweymuller Hip Arthroplasty Cups
http://www.ncbi.nlm.nih.gov/pubmed/17960675

Surgical Experience of 1000 Zweymuller Cases

https://www.youtube.com/watch?v=ejcJ-CVMkiI

The “High Hip Center” Technique in Deficient Acetabulum. N. Christodoulou Lecture

http://www.highhipcenter.blogspot.gr/

High Hip Center Technique Using a Biconical Threaded Zweymüller® Cup in Osteoarthritis Secondary to Congenital Hip Disease, N. Christodoulou et al. Clin Orthop Relat Res. 2010 Jul; 468(7): 1912–1919

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882016/…

Screwed cups a valid alternative.wmv

https://www.youtube.com/watch?v=-p7LDOjrBaI