Zeitschriftentitel
WHO International Clinical Trials Registry Platform
3.296
ClinicalTrials.gov
1.734
BMC public health
858
BMC geriatrics
660
European spine journal
482
Parasitology research
425
Journal of the American Geriatrics Society
391
BMJ open
367
Nutrients
349
Vaccine
288
International journal of environmental research and public health
281
Trials
237
Addictive behaviors
224
Supportive care in cancer
197
Frontiers in psychology
189
Journal of community health
186
International journal of behavioral nutrition and physical activity
184
BMC psychiatry
177
The journal of the American Medical Association / Englische Ausgabe
175
Shi you jiao yu
174
European journal of ageing
168
Geriatrics & gerontology international
167
BMC infectious diseases
164
Aging & mental health
162
Aging clinical and experimental research
158
American journal of health promotion : AJHP
151
Archives of sexual behavior
150
Archives of gerontology and geriatrics
149
BMC health services research
149
ADHD Attention Deficit and Hyperactivity Disorders
147
BMJ case reports
147
Journal of cancer survivorship
147
International journal of geriatric psychiatry
146
Journal of cross-cultural gerontology
145
European archives of oto-rhino-laryngology and head & neck
140
Theoretical and applied genetics
138
The Journal of adolescent health : official publication of the Society for Adolescent Medicine
137
Journal of attention disorders
134
Clinical rheumatology
131
International journal of cardiology
131
International journal of hematology
130
International Journal of Environmental Research and Public Health
129
European journal of nutrition
125
Osteoporosis international
123
Congenital heart disease
121
NeuroImage
121
Drug and alcohol dependence
120
Journal of neuro-oncology
119
Critical care
118
BMC Research Notes
117
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