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Figure 1 from Smoking During Pregnancy Increases Risks of Various Obstetric Complications: A Case-Cohort Study of the Japan Perinatal Registry Network Database | Semantic Scholar
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The flowchart of study design (nested case-control study) from National Health Insurance Research Database in Taiwan.
Which patients to sample in clinical cohort studies when the number of events is high and measurement of additional markers is c
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Nested case-control study of multiple serological indexes and Brighton pediatric early warming score in predicting death of children with sepsis
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