Medline [Datenbank]  

MEDLINE® is the U.S. National Library of Medicine® (NLM®) premier bibliographic database, covering biomedicine and life sciences topics vital to biomedical practitioners, educators, and researchers, such as bioengineering, public health, clinical care, and plant and animal science, nursing, dentistry, veterinary medicine, marine biology, and preclinical sciences. You'll find references from journals, newspapers, magazines, and newsletters.

SciELO Citation Index [Datenbank]  

SciELO Citation Index is created in partnership with SciELO, the Scientific Electronic Library Online, and consists of Open Access journal content from Latin America, the Caribbean, Spain, Portugal, and South Africa. It covers over 1,100 journals. SciELO subject categories: agricultural sciences, applied social sciences, biological sciences, engineering, earth sciences, health sciences, human sciences, mathematics, physics and social sciences.