Shiferaw, Teklu, Lakew Gebr-silasse, Girma Mulisa, Adinew Zewidu, Feleke Belachew, Daba Muleta, and Endalew Zemene. 2016. “Bacterial Indoor-Air Load and Its Implications for Healthcare-Acquired Infections in a Teaching Hospital in Ethiopia”. International Journal of Infection Control 12 (1). https://doi.org/10.3396/ijic.v12i1.15808.