Akhter, F., Gregolin, A., Kibwage, J.J., Norger, L. (EDS), von Eichborn, S. (EDS) 2012
World Health Organization (WHO) 2015
Aghi, M., Bhojani, U., Chandra, P., Dutta, M., John, S., Joseph, S., Mukherjee, P., Narayanan, P., Otañez, M., Pathak, P., Robson, M., Russell, A. 2022