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
Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
Gray-Little B, Williams VSL, Hancock TD. An item response theory analysis of the Rosenberg self-esteem scale. Pers Soc Psychol Bull. 1997;23(5):443-51. doi: 10.1177/0146167297235001