TY - BOOK AU - Singh, Kuldeep TI - Step by step ultrasound in obstetrics SN - 8180613674 (pbk) U1 - 616.207543 PY - 2004/// CY - New Delhi PB - Jaypee Brothers KW - Ultrasonography KW - Obstetrics ultrasound KW - Color doppler KW - Nuchal skin KW - PRH N1 - Includes index ER -