Effects of librarian-provided services in healthcare settings: a systematic review. - Laure Perrier; Ann Farrell; Ana Patricia Ayala; David Lightfoot; Tim Kenny; Ellen Aaronson; Nancy Allee; Tara Brigham; Elizabeth Connor; Teodora Constantinescu; Joanne Muellenbach; Helen-Ann Brown Epstein; et al. (J. Am. Medical Informatics Assoc., 2014)