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
Hartman M, Bolton E, Fehnel SE. Accounting for age differences on the Wisconsin Card Sorting Test: decreased working memory, not inflexibility. Psychol Aging. 2001 Sep 1;16(3):385-99.
Parsley (Edwards) TL. Review of the phantom respondents: opinion surveys and political representation. J Off Stat. 1994;10(3):351-5.