Christodoulides, Antonios N (1989). "Ipsilateral Sciatica on Femoral Nerve Stretch Tests is Pathognomonic of and L4/5 Disc Protrusion". The Journal of Bone and Joint Surgery. 71 (1): 88–89. doi:10.1302/0301-620X.71B1.2915013. PMID2915013. S2CID6472889.
Christodoulides, Antonios N (1989). "Ipsilateral Sciatica on Femoral Nerve Stretch Tests is Pathognomonic of and L4/5 Disc Protrusion". The Journal of Bone and Joint Surgery. 71 (1): 88–89. doi:10.1302/0301-620X.71B1.2915013. PMID2915013. S2CID6472889.
Fritz, Julie (2012-01-01), Andrews, James R.; Harrelson, Gary L.; Wilk, Kevin E. (eds.), "17 - Low Back Rehabilitation", Physical Rehabilitation of the Injured Athlete (Fourth Edition), Philadelphia: W.B. Saunders, pp. 333–356, ISBN978-1-4377-2411-0, retrieved 2021-01-06
Christodoulides, Antonios N (1989). "Ipsilateral Sciatica on Femoral Nerve Stretch Tests is Pathognomonic of and L4/5 Disc Protrusion". The Journal of Bone and Joint Surgery. 71 (1): 88–89. doi:10.1302/0301-620X.71B1.2915013. PMID2915013. S2CID6472889.