Abdominal ultrasound protocol manual /
written by Lori Green, Corky Hecht, Gertrude Layton.

APA Citation

Green, L., Layton, G., Hecht, C. (2004). Abdominal ultrasound protocol manual. St. Pete Beach, FL: Gulfcoast Ultrasound Institute, Inc..

MLA Citation

Green, Lori, B.A, Gertrude Layton, and Corky Hecht. Abdominal Ultrasound Protocol Manual. St. Pete Beach, FL: Gulfcoast Ultrasound Institute, Inc., 2004.

Warning: These citations may not always be complete (especially for serials).