MacKay RE, Gross JM, Hepburn KW, Spangler SA, ARC Study Group. Nurse- and midwife-led HIV services in Eastern and Southern Africa: challenges and opportunities for health facilities. J Assoc Nurse Aids C. 2020 Jul;31(4):392-404. doi: 10.1097/JNC.0000000000000176
Mangel AW, Fehnel SE. End points in irritable bowel syndrome. Expert Rev Gastroenterol Hepatol. 2011 Jun 1;5(3):293-5.