Thema
covid-19
40
Medicine (General)
35
Medicine
31
R
31
Microbiology
16
Medical emergencies. Critical care. Intensive care. First aid
12
coronavirus
11
sars-cov-2
8
کووید-19
5
mortality
3
Education
2
L
2
control
2
covid 19
2
epidemic
2
hospital
2
influenza
2
letter to editor
2
personal protective equipment
2
self-care
2
stress
2
survival
2
transmission
2
vaccine
2
2019 novel coronavirus disease
1
Language and Literature
1
Language. Linguistic theory. Comparative grammar
1
P
1
Special situations and conditions
1
a rise in patient numbers
1
acute respiratory distress syndrome
1
adenovirus
1
airborne transmission
1
ambulance
1
antibiotics
1
antibody
1
awareness
1
b1.1.7 variant
1
barriers
1
bibliometric
1
blood coagulation disorders
1
blood group
1
case report
1
cholecalciferol
1
clinical characteristics
1
clinical features
1
co-authorship
1
co-word
1
comorbidity
1
control measures
1
mehr ...