The Largest Collection of Leading Nursing and Allied Health Literature: CINAHL Ultimate. SLC has upgraded from CINAHL Complete to CINAHL Ultimate with more than 900+ full text journals! Ultimate is the new definitive resource for nursing and allied health research, providing full text for more of the most used journals in the CINAHL index than any other database. Subjects covered include nursing, allied health, biomedicine, alternative medicine, and consumer health. Also includes Evidence-Based Care Sheets.