TY - BOOK AU - Kremkau,Frederick W. AU - Forsberg,Flemming AU - Kremkau,Frederick W. TI - Sonography principles and instruments SN - 9781437709803 (hbk. : alk. paper) AV - RC 78.7 .U4K745 2011 PY - 2011/// CY - St. Louis, Mo. PB - Elsevier/Saunders KW - Ultrasonic imaging KW - Ultrasonography ER -