Association RDF
pages:- American Association for Cancer Research
- American Association for Cancer Research
- American Association for Cancer Research (Committee Chair)
- American Association for Clinical Chemistry
- American Association for Dental, Oral, and Craniofacial Research-Puerto Rico Section
- American Association for the Advance of Science Member Editorial Board of Cellular and Molecular Neurobiology (Springer)
- American Association for the Advancement of Science
- American Association for the Advancement of Science
- American Association for the Advancement of Science
- American Association for the Advancement of Science
- American Association for the Advancement of Science
- American Association for the Advancement of Science (AAAS Mass Media Fellow)
- American Association for the Advancement of Science (AAAS)
- American Association for the Advancement of Science (Member and Board of Directors)
- American Association for the Study of Liver Diseases
- American Association of Clinical Oncology
- American Association of Colleges of Pharmacy
- American Association of Dental Research-Puerto Rico Section
- American Association of Geographers (AAG)
- American Association of Immunologists
- American Association of Petroleum Geologists
- American Association of Physics Teachers (AAPT)
- American Association of Physics Teachers (AAPT)
- American Association of Service Coordinators, (Support to low-income groups
- American Astronomical Society (AAS)
- American Bar Association
- American Bryological and Lichenological Society
- American Chemical Society
- American Chemical Society
- American Chemical Society