Full text
PDF
. 1934 Oct;31(4):408–410.
A CASE OF ASTHMA DUE TO MAY FLIES (EPHEMERIDA)
1Montreal
PMCID: PMC403569 PMID: 20319669
. 1934 Oct;31(4):408–410.
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.
