TY  - BOOK
AU  - SULTAN, A. H.
TI  - Ultrasound of the Anal Sphicter, 115-121 Chapter 7) IN: Schuster MM (ed) Atlas of gastrointestinal motility in health and disease,  Baltimore, Williams and Wilkins, 1993
PY  - 1993///
N1  - Monograph; held in print in library office
ER  -