Abstract

References
1.
1.
Kawamura D
: Abdomen and Superficial Structures . 2nd ed.
Philadelphia : Lippincott-Raven ; 1997 :224 -225 .
2.
2.
Kurtz AB
,
Middleton WD
: Ultrasound-The Requisites . St. Louis : Mosby ; 1996 :46 -48 .
