Medicine
- Radiation and environmental biophysics
- Radiation and environmental biophysics
- Radiation measurements
- Radiation medicine : medical imaging and radiation oncology
- Radiation protection dosimetry
- Radiation protection dosimetry
- Radiation research : official organ of the Radiation Research Society
- Radiography : the journal of the Society of Radiographers
- Radiological physics and technology : the official journal of the Japanese Society of Radiolocical Technology and the Japan Society of Medical Physics
- Radioprotection : revue de la Société Française de Radioprotection
- Reading and writing : an interdisciplinary journal
- Rechtsmedizin : Organ der Deutschen Gesellschaft für Rechtsmedizin
- Redox report : communications in free radical research ; official journal of the Society for Free Radical Research (Australia)
- Redox report : communications in free radical research ; official journal of the Society for Free Radical Research (Australia)
- Regenerative engineering and translational medicine
- Regulatory peptides : an international journal
- Renal failure
- Reproductive health matters : an international journal on sexual and reproductive health and rights
- Research communications in chemical pathology and pharmacology
- Research in experimental medicine
- Research in nursing & health
- Research in sports medicine
- Research journal of the Water Pollution Control Federation
- Research on biomedical engineering : the official journal of the Brazilian Society of Biomedical Engineering
- Research quarterly for exercise and sport
- Research quarterly for exercise and sport : the portal of kinesiology research
- Residential treatment for children & youth : the official journal of the American Association of Children's Residential Centers
- Respiration : international journal of thoracic medicine
- Respirology : official journal of the Asian Pacific Society of Respirology
- Rettungsdienst : Zeitschrift für präklinische Notfallmedizin
- Review journal of autism and developmental disorders
- Reviews in endocrine & metabolic disorders
- Reviews in environmental science and bio-technology
- Reviews in medical virology
- Reviews in the neurosciences
- Reviews of environmental contamination and toxicology
- Revista de farmácia e bioquímica da Universidade de São Paulo
- Revue française de transfusion
- Revue française de transfusion et d'hémobiologie
- Revue française de transfusion et immuno-hématologie : bulletin de la Société Nationale de Transfusion de la France
- Revue française des laboratoires : RFL
- Revue francophone des laboratoires : RFL
- Rheumatology
- Rheumatology international : clinical and experimental investigations
- Ri yong hua xue gong ye : shuang yue kan
- RöFo : Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren