PT - JOURNAL ARTICLE AU - David Gurnham TI - Principles, progress and harm in the Guatemala Syphilis Study AID - 10.1136/sextrans-2013-051113 DP - 2013 Jun 01 TA - Sexually Transmitted Infections PG - 303--303 VI - 89 IP - 4 4099 - http://sti.bmj.com/content/89/4/303.short 4100 - http://sti.bmj.com/content/89/4/303.full SO - Sex Transm Infect2013 Jun 01; 89