1. Azoospermia: is sample centrifugation indicated
Azoospermia: is sample centrifugation indicated? A national survey of practice and the Oxford experience 
Alexander Swanton, M.R.C.O.G., Aysha Itani, M.Sc., Enda McVeigh, M.R.C.O.G., Tim Child, M.D., M.R.C.O.G. 
Fertility and Sterility 
Volume 88, Issue 2, Pages (August 2007)
DOI: /j.fertnstert
Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

2. FIGURE 1
Flow chart showing outcome of investigations for 122 ”azoospermic” men.
Swanton. Extended sperm preparation in azoospermia. Fertil Steril 2007.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions