CINAHL Ultimate This link opens in a new windowThe ultimate research tool for nursing and allied health studies, CINAHL Ultimate provides fast and easy access to top journals, evidence-based care sheets, quick lessons and continuing education modules. It covers more than 50 nursing specialties and includes quick lessons, evidence-based care sheets, CEU modules and research instruments. CINAHL Subject Headings help users effectively search and retrieve information and follow the structure of the Medical Subject headings (MeSH) used by the National Library of Medicine. CINAHL Ultimate includes 935 active full-text, non-open access journals (725 peer reviewed).