LETTER TO THE EDITOR |
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Year : 2016 | Volume
: 20
| Issue : 3 | Page : 153 |
Choosing controls in a case control study
Sunil Kuma Raina
Department of Community Medicine, Dr. RPGMC, Tanda, Himachal Pradesh, India
Correspondence Address:
Sunil Kuma Raina Department of Community Medicine, Dr. RPGMC, Tanda, Himachal Pradesh India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0019-5278.203141
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