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Pre-contact by telephone increases response rates to postal #questionnaires in a population of #stroke patients https://t.co/fQ06ykSOr6
Pre-contact by telephone increases response rates to postal #questionnaires in a population of #stroke patients https://t.co/fQ06ykSOr6
Min første RCT (hadde ikke trodd det da jeg ble matematiker) https://t.co/63aPjfyFAA #bmchealthservres