By Cook MD DSc FRCP(Lond) FRCP(Edin) FRACP FLS Professor, Gordon C.
By Cook MD DSc FRCP(Lond) FRCP(Edin) FRACP FLS Professor, Gordon C., Zumla BSc.MBChB.MSc.PhD.FRCP(Lond).FRCP(Edin).FRCPath(UK) Professor, Alimuddin