- Advances in Intelligent and Soft Computing
- Advances in Materials Science
- Advances in Medical Sciences
- Advances in oto-rhino-laryngology
- Advances in Respiratory Medicine (d. Pneumonologia i Alergologia Polska)
- Advances in Science and Technology - Research Journal
- Advances in Therapy
- Advances of Science for Medicine
- Aesthetic Cosmetology and Medicine
- Aesthetica
- African Journal of Microbiology Research
- Age
- Agents and Actions
- Aging Clinical and Experimental Research
- Aging-US
- Agressologie
- Agriculture
- Agriculture and Agricultural Science Procedia
- Agronomy Science (d. Annales Universitatis Mariae Curie-Skłodowska, Sectio E: Agricultura)
- AIDS Care
- AIMS Neuroscience
- AIP Conference Proceedings
- Akademicki Przegląd Sportowy
- Akcent
- Aktualne Problemy Biomechaniki
- Aktual'nì Problemi Sučasnoï Medicini - Vìsnik Ukraïns'koï Medičnoï Akademìï
- Aktualności Akademii Rolniczej w Lublinie
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- Aktywizacja Zawodowa Osób Niepełnosprawnych
- Akušerstvo i Ginekologiă
- Akusherstvo i Ginekologiya (Russian Federation)
- Akustyka Molekularna i Kwantowa
- Alcohol
- Alcohol and Alcoholism
- Alcoholism Clinical & Experimental Research
- Alergia
- Alergia, Astma, Immunologia
- Alergologia, Immunologia
- Alergologia Polska
- Alergologia Współczesna
- Alergoprofil
- Alimentary Pharmacology & Therapeutics
- Alkoholizm i Narkomania
- All Results Journals: Biology
- Allelopathy Journal
- Allergologia et Immunopathologia
- Allergologie
- Allergy
- Allergy and Clinical Immunology International
- Allergy and Immunology
- Allergy, Asthma, and Clinical Immunology
- Alma Mater
- Almanach : Urząd Rejestracji Produktów Leczniczych, Wyrobów Medycznych i Produktów Biobójczych
- Alzheimer's & Dementia
- AMB Express
- American Chemical Science Journal
- American Clinical Laboratory
- American Heart Journal
- American Journal of Analytical Chemistry
- American Journal of Cancer Research
- American Journal of Cancer Review
- American Journal of Cardiology
- American Journal of Case Reports
- American Journal of Critical Care
- American Journal of Drug Delivery and Therapeutics
- American Journal of Emergency Medicine