Disparities in access to diagnosis and care in Blantyre, Malawi, identified through enhanced tuberculosis surveillance and spatial analysisMacPherson, Peter; Khundi, McEwen; Nliwasa, Marriott; Choko, Augustine T.; Phiri, Vincent K.; Webb, Emily L.; Dodd, Peter J.; Cohen, Ted; Harris, Rebecca; Corbett, Elizabeth L. · BMC Medicine · 2019