Luciano JV, Barrada JR, Aguado J, Osma J, García-Campayo J. Bifactor analysis and construct validity of the HADS: a cross-sectional and longitudinal study in fibromyalgia patients. Psychological Assessment. 2014 Jun;26(2):395-406.
Leiss JK, Lyden JT, Mathews R, Sitzman KL, Vanderpuije A, Mav D, Kendra MA, Klein C, Humphrey CJ. Blood exposure incidence rates from the North Carolina study of home care and hospice nurses. Am J Ind Med. 2009 Feb 1;52(2):99-104.
Lanes SF, Rothman KJ, Dreyer NA, Soden K. Mortality among workers exposed to glycerol polyglicidyl ether. Am J Ind Med. 1994 May;25(5):689-96. doi: 10.1002/ajim.4700250508
Lanes SF, Rothman KJ, Soden KJ, Amsel J, Dreyer NA. Mortality among synthetic-fiber workers exposed to glycerol polyglycidyl ether. Am J Ind Med. 1994 Jan 1;25(5):689-96.