TY - RPRT TI - Prenatal exposure to indoor PM2.5 and children's cognitive performance at 4 years of age: an observational analysis from the UGAAR randomized controlled trial. AU - Battsetseg Ulziikhuu AU - Enkhjargal Gombojav AU - Chimeglkham Banzrai AU - Sarangerel Batsukh AU - Enkhtuul Enkhtuya AU - Buyantushig Boldbaatar AU - David C Bellinger AU - Bruce P Lanphear AU - Lawrence C McCandless AU - Xing Yu AU - Ryan W Allen PY - 2026 DO - 10.1016/j.envpol.2026.128753 UR - https://pubmed.ncbi.nlm.nih.gov/42431301/ ID - 42431301 ER -