Olsen, Nicholas K.; Press, Joel M.; Young, Jeffrey L. (2011-01-01), Lennard, Ted A.; Walkowski, Stevan; Singla, Aneesh K.; Vivian, David G. (eds.), "11 - Bursae Injections", Pain Procedures in Clinical Practice (Third Edition), Saint Louis: Hanley & Belfus, pp. 77–81, doi:10.1016/b978-1-4160-3779-8.10011-9, ISBN978-1-4160-3779-8, retrieved 2021-03-08
Olsen, Nicholas K.; Press, Joel M.; Young, Jeffrey L. (2011-01-01), Lennard, Ted A.; Walkowski, Stevan; Singla, Aneesh K.; Vivian, David G. (eds.), "11 - Bursae Injections", Pain Procedures in Clinical Practice (Third Edition), Saint Louis: Hanley & Belfus, pp. 77–81, doi:10.1016/b978-1-4160-3779-8.10011-9, ISBN978-1-4160-3779-8, retrieved 2021-03-08