Subject Coverage:
animal science, anthropology, astronomy, biology, chemistry, engineering, ethnic & multicultural studies, general science, geography, geology, law, mathematics, music, pharmaceutical sciences, philosophy, physics, psychology, religion, science, technology, veterinary science, women's studies, zoology
Dates of Coverage:
PDF content dating back as far as 1887
Update Frequency:
daily
Size:
over 13,780 indexed and abstracted journals
Subject Coverage:
nursing and allied health
Dates of Coverage:
1982 to present
1986 to present (for records with abstracts)
Update Frequency:
monthly
Size:
more than 670,000 records
Subject Coverage:
aging, cancer, diabetes, drugs & alcohol, fitness, nutrition & dietetics, children's health, men & women's health
Dates of Coverage:
unknown
Update Frequency:
unknown
Size:
more than 5000 publications
more than 500 pamphlets
more than 200 reference books
several hundred videos and animations
Subject Coverage:
adult health, bacteriology, behavioral health, cardiology, childcare, drug and medication information, emergency medicine, food sciences and nutrition, general health, genetics, laboratory medicine, medical sciences, oncology, pediatric health, pediatrics, pulmonology, senior health, sports medicine, and women's health
Dates of Coverage:
January 1984 to present (for some journals)
January 1990 to present (for full-text)
Update Frequency:
daily
Size:
unknown
Subject Coverage:
medicine and biology
Dates of Coverage:
varies by journal title
Update Frequency:
varies by journal title
Size:
more than 23 million citations
Note:
Recommended for users of Chrome - LibKey Nomad is a browser extension that makes linking to full-text easier in PubMed. Go to https://thirdiron.com/libkey-nomad/
Subject Coverage:
life sciences
Dates of Coverage:
varies by journal title
Update Frequency:
varies by journal title
Size:
more than 7 million articles
Subject Coverage:
covers many subject areas within the sciences but is particularly strong in: life sciences, engineering, earth sciences, pharmacology, and textiles
Dates of Coverage:
unavailable
Update Frequency:
unavailable
Size:
more than 2,900 journals (for citations)