![](/img/cover-not-exists.png)
Importance of Sampling Frame in Physician Surveys
Freed, Gary L.Volume:
149
Language:
english
Journal:
Archives of Pediatrics & Adolescent Medicine
DOI:
10.1001/archpedi.1995.02170190115024
Date:
June, 1995
File:
PDF, 138 KB
english, 1995