Institution: | 1. 1st Dept. of Obstetrics and Gynaecology, University of Athens, Meadical School, ‘Alexandra’ Maternity Hospital, Athens, Greece;2. Unit for the prevention of Thalassaemia, Ministry of Health, ‘Laikon’ General Hospital, Athens II 527, Greece;3. 1st Dept. of Medicine, University of Athens Medical School, ‘Laikon’ General Hospital, Athens 11 527, Greece |