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Defining Seropositivity Thresholds for Use in Trachoma Elim..:

Migchelsen, Stephanie J ; Martin, Diana L ; Southisombath, Khamphoua...
https://researchonline.lshtm.ac.uk/id/eprint/3405247/1/Defining%20Seropositivity%20Thresholds%20for%20Use%20in%20Trachoma%20Elimination%20Studies.pdf.  , 2017