Figure 2.
Evaluation of the proposed relationships in the causal diagram on asthma and allergies Evaluation of the proposed relationships in the causal diagram used this study by 16 experts.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.