Additional file 4: of Cost-effective recruitment methods for a large randomised trial in people with diabetes: A Study of Cardiovascular Events iN Diabetes (ASCEND) Theingi Aung Richard Haynes Jill Barton Jolyon Cox Aleksandra Murawska Kevin Murphy Michael Lay Jane Armitage Louise Bowman 10.6084/m9.figshare.c.3602996_D3.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_4_of_Cost-effective_recruitment_methods_for_a_large_randomised_trial_in_people_with_diabetes_A_Study_of_Cardiovascular_Events_iN_Diabetes_ASCEND_/4338266 Blood and urine sampling information leaflet. (PDF 521 kb) 2016-06-13 05:00:00 Aspirin Omega-3 fatty acids Diabetes Cardiovascular disease Randomised controlled trial Recruitment methodology