APA

Grigorakos L., Sotiriou E., Koulendi D., Michail A., Alevizou S., Evagelopoulou P., Karatzas S. & Ligidakis N. (20090113). Preoperative pulmonary evaluation (PPE) as a prognostic factor in patients undergoing upper abdominal surgery. : Hepato-gastroenterology.

Chicago

Grigorakos Leonidas, Sotiriou Evangelia, Koulendi Despina, Michail Anastasia, Alevizou Stauroula, Evagelopoulou Penelopi, Karatzas Stelios and Ligidakis Nikolaos. 20090113. Preoperative pulmonary evaluation (PPE) as a prognostic factor in patients undergoing upper abdominal surgery. : Hepato-gastroenterology.

Harvard

Grigorakos L., Sotiriou E., Koulendi D., Michail A., Alevizou S., Evagelopoulou P., Karatzas S. and Ligidakis N. (20090113). Preoperative pulmonary evaluation (PPE) as a prognostic factor in patients undergoing upper abdominal surgery. : Hepato-gastroenterology.

MLA

Grigorakos Leonidas, Sotiriou Evangelia, Koulendi Despina, Michail Anastasia, Alevizou Stauroula, Evagelopoulou Penelopi, Karatzas Stelios and Ligidakis Nikolaos. Preoperative pulmonary evaluation (PPE) as a prognostic factor in patients undergoing upper abdominal surgery. : Hepato-gastroenterology. 20090113.