All aspects of agriculture created by the USDA National Agricultural Library. 1970- , although there is selective coverage of materials from C16th onwards. Applied science and technology index International physical sciences, engineering and food technology literature in approximately 400 journals. International biological and agricultural sciences literature in over 250 English language journals. International biomedical and pharmaceutical journal literature.
Primary focus is drug research and pharmacology.
Click on review box on the search screen. Expanded Academic ASAP International journal literature across all subject areas. Click on review box on the search screen. PubMed Subject coverage is the same as above. International scientific literature in 3,500 journals.