Craig, Marveen Essentials of sonography and patient care / Marveen Craig - 2nd ed. - St. Louis, Mo. : Saunders, 2006 - xv, 294 p. : ill. ; 23 cm. ISBN: 1416001700 RM162.61 Subjects--Topical Terms: Ultrasonography National Library of Medicine Call No.: WN208 / .C886e 2006