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Mathematics, 21.06.2019 19:00, gabbytopper8373
Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective
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English, 27.07.2019 18:40
English, 27.07.2019 18:40
History, 27.07.2019 18:40