Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
Coxofemoral luxations in the dog and cat are a common problem resulting most often from encounters with automobiles. nearly 50 percent of all luxations in these two species involve the coxofemoral (hip) joint.
Thompson, Ronald L.
"A Purse-string Suture Technique for Retention of Coxofemoral Luxations,"
Iowa State University Veterinarian: Vol. 30
, Article 1.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol30/iss1/1