Código QR (código de barras bidimensional)

Updated analysis of pediatric clinical studies registered in ClinicalTrials.gov, 2008–2019

Abstract Background Since the national clinical trials registry ( ClinicalTrials.gov ) launched in February 2000, more than 360,000 research studies in the United States and over 200 countries have registered. As the characteristics of pediatric clinical studies keep changing over time and the resul...

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書目詳細資料
Principais autores: Yang Zhong, Xingyu Zhang, Lijun Zhou, Lei Li, Tao Zhang
格式: Artigo
語言:Inglês
出版: BMC 2021-04-01
叢編:BMC Pediatrics
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在線閱讀:https://doi.org/10.1186/s12887-021-02658-4
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