Hospital visitor-companions as a source of controls for case-control studies in the Philippines. (Q50557381)
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scientific article published in January 1989
Language | Label | Description | Also known as |
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English | Hospital visitor-companions as a source of controls for case-control studies in the Philippines. |
scientific article published in January 1989 |
Statements
Hospital visitor-companions as a source of controls for case-control studies in the Philippines (English)