Pilu, G. Et Al. 2012. Visual Encyclopedia of Ultrasound in Obstetrics and Gynecology (VISUOG) , pp.1-7.

Pilu, G., Büyükkurt, S., Youssef, A., & Tonni, G., (2012). Visual Encyclopedia of Ultrasound in Obstetrics and Gynecology (VISUOG).

Pilu, Gianluigi Et Al. Visual Encyclopedia of Ultrasound in Obstetrics and Gynecology (VISUOG), Isuog, 2012

Pilu, Gianluigi Et Al. "Visual Encyclopedia of Ultrasound in Obstetrics and Gynecology (VISUOG)." Isuog, 2012.

Pilu, G. Et Al. 2012. "Visual Encyclopedia of Ultrasound in Obstetrics and Gynecology (VISUOG)." , Isuog, pp.1-7.

@encyclopedia{encyclopedia, author={Gianluigi Pilu Et Al. }, title={Visual Encyclopedia of Ultrasound in Obstetrics and Gynecology (VISUOG)}, publisher={Isuog}, pages={1-7} }