Fig. 1From: Household air pollution and the lung microbiome of healthy adults in Malawi: a cross-sectional studyRepresentative images of macrophage staining and particulate density. Ex vivo alveolar macrophages have undergone cytospin preparation, and staining with Fields B. Panels a and b show representative 40x light microscopy images of macrophages from low and high particulate groups respectivelyBack to article page