TY - JOUR T1 - Angel of death – the story of smallpox JF - Clinical Medicine JO - Clin Med SP - 635 LP - 635 DO - 10.7861/clinmedicine.10-6-635 VL - 10 IS - 6 AU - Mike McKendrick Y1 - 2010/12/01 UR - http://www.rcpjournals.org/content/10/6/635.1.abstract ER -