McWhinnie D., J. Ellams, J. Cahill and I. Smith, 2004, " Day case laparoscopic cholecystectomy" , British Association of Day Surgery, Handbook series, 14 pages.
McWhinnie D., J. Ellams, J. Cahill en I. Smith, 2004, ‘Day case laparoscopic cholecystectomy’, British Association of Day Surgery, Handbook series, 14 pagina’s.