Authors: Lara R Fairall; Merrick Zwarenstein; Eric D Bateman; Max Bachmann; Carl Lombard; Bosielo P Majara; Gina Joubert; Rene G English; Angeni Bheekie; Dingie van Rensburg; Pat Mayers; Pat Myers; Annatjie C Peters; Ronald D Chapman Journal: BMJ Date: 2005-10-01