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.
Histogram of frequency of use of respiratory drugs, oral corticosteroids, and antibiotics during 6-month follow-up among recurrent wheezing infants (N = 115,489). The X-axis represents the number of units dispensed and the y-axis the percentage of infants.
