Development and validation of a diabetes self-care activities questionnaire. - Intas, George; Kalogianni, Antonia; Stergiannis, Pantelis; Bratakos, Michalis; Dimoula, Ivoni; Kelesi, Martha; Vezyridis, Paraskevas; Charalampidis, Vasilis; Marvaki, Christina (Journal of Diabetes Nursing, 2012)