Demeyin (Nuabor) WA, Frost J, Ukoumunne OC, Briscoe S, Britten N. N of 1 trials and the optimal individualisation of drug treatments: a systematic review protocol. Syst Rev. 2017 Apr 24;6(1):90. doi: 10.1186/s13643-017-0479-6
Gritz ER, Danysh HE, Fletcher FE, Tami-Maury I, Fingeret MC, King RM, Arduino RC, Vidrine DJ. Long-term outcomes of a cell phone-delivered intervention for smokers living with HIV/AIDS. Clin Infect Dis. 2013 Aug;57(4):608-15. doi: 10.1093/cid/cit349