DOI:
10.1055/s-00025477
International Archives of Otorhinolaryngology
LinksClose Window
References
Schappert SM.
National Ambulatory Medical Care Survey: 1989 summary.
Vital and health statistics Series 13, Data from the National Health Survey. 1992
110. 1-80
We do not assume any responsibility for the contents of the web pages of other providers.