Mangel AW, Lothman K. Pulse synchronized contractions (PSCs): a call to action - Editorial. Open J Cardiol Heart Dis. 2018 Jan 29;1(2).
Hayes AF, Montoya AK, Rockwood NJ. The analysis of mechanisms and their contingencies: PROCESS versus structural equation modeling. AMJ. 2017 Feb;25(1):76-81. doi: 10.1016/j.ausmj.2017.02.001
Downey CL, Fatuga G. Global training initiative challenges: an American perspective. International Pharmaceutical Industry. 2009;1.