@inproceedings{ SALAMANCA,

author = { ALBERTO SALAMANCA BALLESTEROS } ,

title = { TRANSVAGINAL SONOGRAPHIC VISUALIZATION AND CLASSIFICATION OF HUMAN YOLK SAC LESIONS AND ITS PATHOLOGICAL CORRELATIONS },

booktitle = { 7th CONGRESS OF EUROPEAN ASSOCIATION OF GYNAECOLOGISTS AND OBSTETRICS },

year = { 1992 },

pages = { None - None },

location = { HELSINKI },

}