The geriatrics research instrument library: A resource for guiding instrument selection for researchers studying older adults with multiple chronic conditions oleh Mayra Tisminetzky, Christopher Delude, Heather G Allore, Kathryn Anzuoni, Sarah Bloomstone, Peter Charpentier, John P Hepler, Dalane W Kitzman, Gail J McAvay, Michael Miller, Nicholas M Pajewski, Jerry Gurwitz