Meyer TD, Schrader J, Ridley M, Lex C. The hypomania checklist (HCL) - systematic review of its properties to screen for bipolar disorders. Compr Psychiatry. 2014 Jul;55(5):1310-21. doi: 10.1016/j.comppsych.2014.03.002
Bayer AM, Danysh HE, Garvich M, Gonzalvez G, Checkley W, Alvarez M, Gilman RH. An unforgettable event: a qualitative study of the 1997-98 El Niño in northern Peru. Disasters. 2014 Apr;38(2):351-74. doi: 10.1111/disa.12046