2 Matching Annotations
  1. Jul 2018
    1. On 2017 Oct 05, Zvi Herzig commented:

      That current e-cigarette use is also significantly associated with previous asthma in this study, strongly suggests undetected confounding and/or reverse causality.


      This comment, imported by Hypothesis from PubMed Commons, is licensed under CC BY.

  2. Feb 2018
    1. On 2017 Oct 05, Zvi Herzig commented:

      That current e-cigarette use is also significantly associated with previous asthma in this study, strongly suggests undetected confounding and/or reverse causality.


      This comment, imported by Hypothesis from PubMed Commons, is licensed under CC BY.