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American Birding Association
1
American Chemical Society. Division of Chemical Education
2
American Chemical Society. Division of Geochemistry
1
American Chemical Society. Section of Chemical Education
1
American College of Clinical Gerontology
2
American College of Neuropsychopharmacology
1
American Council of Science Teachers
2
American Entomological Society
2
American Fern Society
1
American Geological Institute
3
American Geophysical Union
25
American Institute of Biological Sciences
1
American Institute of Physics
5
American Institute of Physics. Online Journal Publishing Service
1
American Lung Association
1
American Meteorological Society
11
American Museum of Natural History
2
American Oil Chemists' Society
1
American Ornithologists' Union
2
American Philosophical Society
2
American Physical Society. Division of Biological Physics
1
American Physiological Society (1887- )
3
American Rhinologic Society
1
American Science Teachers Association
2
American Sleep Disorders Association
1
American Society for Bone and Mineral Research
1
American Society for Mass Spectrometry
1
American Society for Microbiology
2
American Society for Photobiology
1
American Society for Quality
1
American Society for Quality Control
1
American Society of Biomechanics
1
American Society of Gene & Cell Therapy
2
American Society of Ichthyologists and Herpetologists
1
American Society of Mammalogists
2
American Society of Parasitologists
1
American Society of Plant Biologists
2
American Society of Plant Physiologists
2
American Statistical Association
2
American Statistical Association. Biometrics Section
1
American Thoracic Society
1
Anatomical Chart Co
1
Anatomical Society of Great Britain and Ireland
1
Anduaga Egaña, Aitor
1
Anjuman-i °Ilmåi òHashrah?shinåasåi-i Pizishkåi
2
Annual Reviews, Inc
2
Anzures, María Bruna
2
Applied Computer Research (Firm)
2
Applied Probability Trust
3
Aragón Albillos, Santiago, 1965-
1
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