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
Njue AI, Prichard RK. Efficacy of ivermectin in calves against a resistant Cooperia oncophora field isolate. Parasitol Res. 2004 Aug 1;93(5):419-22.