Other versions:

(Verbatim name)

ID

(Catalog Number)

ORG

DES

Invalid DOI was provided, please try again

XML
PDF
 
 
Twitter
Facebook
Mendeley
Reddit
Notify a colleague
  • ContentsContents
  • Article InfoArticle Info
  • CiteCite
  • MetricsMetrics
  • CommentComment
  • RelatedRelated
  • TabsTabs
  • RefsRefs
  • CitedCited
  • ErratumErratum
  • Article title
  • Abstract
  • Keywords
  • Introduction
  • Material and methods
    • Design of the study
    • Data source
    • Population
    • Selection criteria
    • Variables
    • Procedure
    • Statistical analysis
    • Ethical issues
  • Results
  • Discussion
    • Comparison of findings with previous studies
    • Difference between both waves
    • Signs and symptoms between both waves
    • Public health significance
    • Limitations and strengths
  • Conclusion
  • Conflict of Interest
  • References
Subscribe to email alerts for current Article's categories
Powered by