727,456 POSTGRADUATE Postgraduate course lectures : 8th European Congress of Anaesthesiology Warsaw, 1990 / Polish Society of Anaesthesiology and Instensive Therapy, ECA, World Federation of Anaesthesiologists. - Warsaw : [s.n.], 1990 (Warszawa : Z.P. "Gryfis"). - [106] s. : il., wykr. ; 24 cm