Narrow Search
Remove Filters
Clear Filter
OA Type: full OA
Clear Filter
Publisher: BioMed Central
Clear Filter
Subject: Electrical Engineering, Measurement and Control Technology
Clear Filter
OR Subject: Energy Technology
Clear Filter
OR Subject: General Science
Clear Filter
OR Subject: Geography
Medicine
201
Biology, Biotechnology
60
Health Sciences
22
Agriculture and Forestry, Horticulture, Nutritional and Domestic Science
10
Chemistry and Pharmacology
7
Computer Science
6
more ...
Nature Conservation, Environmental Protection
5
Psychology
4
Sociology
3
Education
2
General and Interdisciplinary Journals
2
Geosciences
2
Jurisprudence
2
Materials Science and Manufacturing Engineering
2
Philosophy
2
Sports Science
2
Anthropology
1
Architecture, Civil Engineering
1
Business and Economics
1
Electrical Engineering, Electronics and Communications Engineering
1
Geography
Political Science
1
Technology
1
see all ...
less ...
Elsevier
39
Wiley
20
Taylor & Francis
17
MDPI AG
16
Springer
10
Hindawi
8
more ...
Cambridge University Press
6
Copernicus Publications
6
Frontiers Media S.A.
4
SAGE Publications
4
Nature Portfolio
3
American Institute of Physics (AIP)
2
Cell Press
2
PLOS
2
Royal Society of Chemistry
2
Wiley-Hindawi
2
BioMed Central
Discover
1
IOP Publishing
1
Karger
1
Public Library of Science (PLoS)
1
Royal Society
1
ScienceOpen
1
Springer Nature
1
eLife Sciences Publications Ltd
1
see all ...
less ...