Evaluation of non-sputum-based diagnostics for pediatric tuberculosis: the Pediatric TB Diagnostic (PDTBDx) cohort protocol. - Mullen B; Githua J; Escudero JN; Mecha J; Kijaro L; Ndunge M; Muriithi M; Kibet I; John-Stewart G; Maleche-Obimbo E; Nduba V; LaCourse SM (MedRxiv : the preprint server for health sciences, 2026)