• BIOSIS • Biochemistry and Biophysics Citation Index • CINAHL • Chemical Abstracts Service • Cumulative Index for Nursing and Allied Health Literature • Current Contents/Clinical Medicine • Current Contents/Life Sciences • EMBASE/Excerpta Medica • Elsevier BIOBASE/Current Awareness in Biological Sciences • MANTIS • MEDLINE® • NAPRALERT (Natural Products Alert) • Research Alert • SCISEARCH • Science Citation Index • Scopus