Ovid interface of the premier biomedical database from the National Library of Medicine is searchable from 1966 to the present. It provides coverage in the areas of allied health, biological and physical sciences, humanities and information science as they relate to medicine and health care, communication disorders, population biology, and reproductive biology.
Provides statistical information to evaluate and compare journals using citation data drawn from over 7,500 scholarly and technical journals from more than 3,300 publishers. Provides information on: most frequently cited journals in a field; highest impact journals in a field; and largest journals in a field. Citation and article counts are indicators of how frequently current researchers are using individual journals.