Langman's medical embryology
: pbk. - 12th ed., international ed. / T.W. Sadler ; original illustrations by Jill Leland ; computer illustrations by Susan L. Sadler-Redmond ; scanning electron micrographs by Kathy Tosney ; ultrasound images by Nancy Chescheir and Hytham Imseis. - Philadelphia : Wolters Kluwer Health, Lippincott Williams & Wilkins , c2012