Thema
COVID-19
404
Medicine
354
R
354
Public aspects of medicine
253
Medicine (General)
241
Nursing
209
covid-19
187
Pandemia
102
SARS-CoV-2
99
Diseases of the circulatory (Cardiovascular) system
86
Education
84
L
83
Coronavirus Infections
76
Covid-19
73
Education (General)
72
pandemia
68
Coronavirus infections
64
Pandemics
59
A
58
General Works
58
Arctic medicine. Tropical medicine
49
Coronavirus
48
Social sciences (General)
48
coronavirus infections
44
Law in general. Comparative and uniform law. Jurisprudence
43
Political institutions and public administration (General)
43
Psychology
41
coronavirus
40
H
39
Social Sciences
39
Infecções por Coronavírus
36
Special aspects of education
36
K
35
Law
35
Pandemias
34
Coronavírus
32
pandemic
30
Surgery
29
Philology. Linguistics
28
Gynecology and obstetrics
27
Communication. Mass media
25
G
25
Geography. Anthropology. Recreation
25
Political science (General)
25
Psychiatry
25
Diseases of the respiratory system
24
Latin America. Spanish America
24
Portugal
24
pandemics
23
Bibliography. Library science. Information resources
22
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