Beillat M, Brown TM, DiBenedetti DB, Naber D. Patient and caregiver perspectives on the Heinrichs-Carpenter Quality of Life Scale and the Subjective Well-being Under Neuroleptics-Short Form. J Psychiatry Psychiatric Disord. 2017 May;1(3):109-26.
Poulos C, Riewpaiboon A, Stewart JF, Clemens J, Guh S, Agtini M, Anh DD, Baiqing D, Bhutta Z, Sur D, Whittington D. Cost of illness due to typhoid fever in five Asian countries. Trop Med Int Health. 2011 Mar 1;16(3):314-23.
Parsley (Edwards) TL. Review of the phantom respondents: opinion surveys and political representation. J Off Stat. 1994;10(3):351-5.