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Correct sampling in observational studies.
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| Abass Abassi Ghahremanloo, Saeed Safiri |
| , abbasi.abbas49@yahoo.com |
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Abstract: (4497 Views) |
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Full-Text [PDF 144 kb]
(2035 Downloads)
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Type of Study: Letter to Editor |
Subject:
other
Received: 2015/04/28 | Accepted: 2015/12/13 | Published: 2015/12/13
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