Richardson, Beth
Elsevier, 2006
Buku Teks
Doane, Gweneth Hartrick
Lippincott Williams & Wilkins, 2005
Buku Teks SO
edited by Axalla J. Hoole [and others]
J.B. Lippincott, 1995
Buku Teks
edited by Mike Walsh, Alison Crumbie, Shirley Reveley
Butterworth-Heinemann, 1999
Buku Teks
Kidd, Pamela S.
Mosby, 1999
Buku Teks SO