Physics in Anaesthesia, second edition MIDDLETON, BEN (HEAD OF CLINICAL PERFUSION SCIENCE AT THE ESSEX CARDIOTHORACIC CENTRE, BASILDON HOSPITAL, LONDON),PHILLIPS, JUSTIN (RESEARCH SCIENTIST, GOOGLE; RESEARCH FELLOW IN BIOMEDICAL ENGINEERING, CITY UNIVERSITY LONDON),STACEY, SIMON (CONSULTANT CARDIOTHORACIC ANAESTHETIST & INTENSIVIST BASED AT BARTS HEART CENTRE, LONDON)