CINAHL Ultimate This link opens in a new windowCINAHL Ultimate is the definitive full-text database for nursing and allied health research. It offers full-text access to a substantial portion of the most frequently cited journals in the CINAHL index, surpassing other databases. Providing 1,815 active full-text journals valued at $478,475.88, this database covers over 50 nursing specialties. Additionally, it features full-text quick lessons, evidence-based care sheets, continuing education modules, nursing instructional videos, and more.