National Health Survey | ||
| The Egyptian Statistical Journal | ||
| Volume 1, Issue 1, June 1957, Pages 43-49 PDF (5.56 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/esju.1957.431387 | ||
| Author | ||
| J.B. Simaika* | ||
| Cairo University, Egypt | ||
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