X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
humans (137) 137
female (116) 116
index medicus (112) 112
male (71) 71
adult (58) 58
adolescent (47) 47
research (44) 44
analysis (43) 43
research article (41) 41
germany (40) 40
public, environmental & occupational health (38) 38
risk factors (37) 37
health aspects (36) 36
young adult (36) 36
infectious diseases (33) 33
children (31) 31
middle aged (31) 31
pregnancy (30) 30
prevalence (29) 29
child, preschool (28) 28
germany - epidemiology (27) 27
child (26) 26
obstetrics & gynecology (26) 26
surveys and questionnaires (25) 25
epidemiology (24) 24
cross-sectional studies (23) 23
aged (22) 22
public health (22) 22
studies (22) 22
infant (21) 21
time factors (21) 21
incidence (20) 20
risk (20) 20
medicine (19) 19
pediatrics (19) 19
prevention (19) 19
surveys (18) 18
infections (17) 17
infant, newborn (16) 16
vaccination (16) 16
age (15) 15
diagnosis (15) 15
europe (15) 15
medical research (15) 15
public aspects of medicine (15) 15
socioeconomic factors (15) 15
students (15) 15
college students (14) 14
immunology (14) 14
health (13) 13
immunization (13) 13
medicine & public health (13) 13
population (13) 13
usage (13) 13
age factors (12) 12
care and treatment (12) 12
infectious and parasitic diseases (12) 12
logistic models (12) 12
obstetrics and gynecology (12) 12
prospective studies (12) 12
universities (12) 12
health surveys (11) 11
impact (11) 11
ovulation (11) 11
university students (11) 11
adolescents (10) 10
attitudes (10) 10
cohort studies (10) 10
education (10) 10
health knowledge, attitudes, practice (10) 10
medicine, experimental (10) 10
medicine, general & internal (10) 10
treatment outcome (10) 10
aged, 80 and over (9) 9
public health, environmental and occupational health (9) 9
questionnaires (9) 9
reproductive biology (9) 9
retrospective studies (9) 9
sex factors (9) 9
statistics (9) 9
students - psychology (9) 9
vaccines (9) 9
abridged index medicus (8) 8
college-students (8) 8
disease transmission (8) 8
infection (8) 8
influenza (8) 8
internal medicine (8) 8
perceptions (8) 8
rates (8) 8
regression analysis (8) 8
sex distribution (8) 8
stroke (8) 8
students - statistics & numerical data (8) 8
united-states (8) 8
viruses (8) 8
age distribution (7) 7
behavior (7) 7
care (7) 7
disease (7) 7
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Journal Article
BMC Infectious Diseases, ISSN 1471-2334, 12/2011, Volume 11, Issue 1, pp. 348 - 348
Journal Article
Emerging Themes in Epidemiology, ISSN 1742-7622, 03/2017, Volume 14, Issue 1, pp. 4 - 11
Increasing availability of the Internet allows using only online data collection for more epidemiological studies. We compare response patterns in a... 
Response | Participation | Health survey | Bias | Longitudinal study | Mixed-mode | Internet | Online | Panel study
Journal Article