.Publisheru00e2 $ s note Springer Nature stays neutral when it come to managerial insurance claims in posted charts and also institutional affiliations.This is a rundown of: Hanson, C. et al. A time-stratified, caseu00e2 $ "crossover research of warmth visibility and perinatal death from 16 medical centers in sub-Saharan Africa. Nat. Med. https://doi.org/10.1038/s41591-024-03245-7 (2024 ).