GERSTEIN, D., & JOHNSON, R. (2000). NONRESPONSE AND SELECTION BIAS IN TREATMENT FOLLOW-UP STUDIES.
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Chicago Style (17th ed.) Citation
GERSTEIN, D.R, and R.A JOHNSON. NONRESPONSE AND SELECTION BIAS IN TREATMENT FOLLOW-UP STUDIES. 2000.
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MLA引文
GERSTEIN, D.R, and R.A JOHNSON. NONRESPONSE AND SELECTION BIAS IN TREATMENT FOLLOW-UP STUDIES. 2000.
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