Burton AE, Dean SE, Demeyin (Nuabor) W, Reeves J. Questionnaire measures of self-directed ageing stereotype in older adults: a systematic review of measurement properties. Eur J Ageing. 2020 Jul 12. doi: 10.1007/s10433-020-00574-7
Strutton DR, Farkouh RA, Earnshaw SR, Hwang S, Theidel U, Kontodimas S, Klok R, Papanicolaou S. Cost-effectiveness of 13-valent pneumococcal conjugate vaccine: Germany, Greece, and The Netherlands. J Infect. 2012 Jan 1;64(1):54-67.
Buchner DA, Graboys TB, Johnson K, Mordin MM, Goodman L, Partsch DS, Goss TF. Development and validation of the ITG Health-Related Quality-of- Life Short-Form measure for use in patients with coronary artery disease. Integrated Therapeutics Group. Clin Cardiol. 2001 Aug;24(8):556-63.