RT Journal Article SR Electronic T1 The origins of AIDS: from patient zero to ground zero JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 473 OP 475 DO 10.1136/jech-2012-201423 VO 67 IS 6 A1 Jacques Pépin YR 2013 UL http://jech.bmj.com/content/67/6/473.abstract AB