Selection of controls in case-control studies. II. Types of controls
(Q43881538)
scientific article published on May 1, 1992
scientific article published on May 1, 1992
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Selection of controls in case-control studies. II. Types of controls
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| description | scientific article published on May 1, 1992 |
External Links
| (P356) |
10.1093/OXFORDJOURNALS.AJE.A116397
|
| (P698) |
1595689
|