Methodologic problems in children's spirometry /
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| Main Author: | |
|---|---|
| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Hyattsville, Md. :
U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Center for Health Statistics,
1977.
Hyattsville, Md. : 1977. |
| Series: | DHEW publication
no. (PHS) 78-1346. Vital and health statistics. Data evaluation and methods research no. 72. |
| Subjects: |