@Article{ SALAMANCA:266-270,

author = { ALBERTO SALAMANCA BALLESTEROS } ,

title = { DETECTION OF ALOBAR HOLOPROSENCEPHALIC EMBRYO BY TRANSVAGINAL SONOGRAPHY },

journal = { European Journal of Obstetrics & Gynecology and Reproductive Biology },

year = { 1992 },

volume = { 47 },

pages = { 266-270 },

}