Martin Dunitz, 1999
Buku Teks
edited by Joseph D. Noshpitz
John Wiley & Sons, 1997
Buku Referensi
Physicians Postgraduate Press, 2003
Majalah, Jurnal, Buletin
Eaton, Merrill T.
Medical Examination, 1976
Buku Teks
Sarah Stringer, Laurence Church, Susan Davision, Maurice Lipsedge, editor
Oxford Univesity Press, 2009
Buku Teks