Small, Smart, Fast, and Cheap: Microchip-Based Sensors to Estimate Air Pollution Exposures in Rural Households. - Ajay Pillarisetti; Tracy Allen; Ilse Ruiz-Mercado; Rufus Edwards; Zohir Chowdhury; Charity Garland; L. Drew Hill; Michael Johnson; Charles D. Litton; Nicholas L. Lam; David Pennise; Kirk R. Smith (Sensors, 2017)