| 1920 - 562 sider
...National governmental health agencies. The different phases of health work indicated in the county are taken up in what appears to be the logical and most advantageous : sequence. Every salient phase of health work — including safeguarding of water and food supplies, sanitary... | |
| United States. Public Health Service - 1920 - 416 sider
...National governmental health agencies. The different phases of health work indicated in the county are taken up in what appears to be the logical and most advantageous sequence. Every salient phase of health work — including safeguarding of water and food supplies, sanitary... | |
| U. S. PUBLIC HEALTH. SERVICE - 1921 - 504 sider
...local authorities at times in making the appointments may be relieved of local political embarrassment. The different branches of health work indicated in...water and food supplies, sanitary excreta disposal, fly control, antimalarial measures, acute communicable disease control, infant and maternity hygiene,... | |
| Laurence Frederick Schmeckebier - 1923 - 320 sider
...National governmental health agencies. The different phases of health work indicated in the county are taken up in what appears to be the logical and most advantageous sequence. Every salient phase of health work — including safeguarding of water and food supplies, sanitary... | |
| 1923 - 326 sider
...National governmental health agencies. The different phases of health work indicated in the county are taken up in what appears to be the logical and most advantageous sequence. Every salient phase of health work — including safeguarding of water and food supplies, sanitary... | |
| Brookings Institution. Institute for Government Research - 1923 - 320 sider
...National governmental health agencies. The different phases of health work indicated in the county are taken up in what appears to be the logical and most advantageous sequence. Every salient phase of health work — including safeguarding of water and food supplies, sanitary... | |
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