Penna Penna ML ML Penna Penna GO GO Iglesias Iglesias PC PC Natal Natal S S Rodrigues Rodrigues LC LC Anti-PGL-1 positivity as a risk marker for the development of leprosy among contacts of leprosy cases: systematic review and meta-analysis Anti-PGL-1 positivity as a risk marker for the development of leprosy among contacts of leprosy cases: systematic review and meta-analysis PLoS Negl Trop Dis PLoS Negl Trop Dis 2016 2016 10 10 5 5 e0004703 e0004703 10.1371/journal.pntd.0004703 10.1371/journal.pntd.0004703 27192199 27192199 9. This evidence concerns the gene SDHD and leprosy.