Frequencies and percentages for smoking related outcome variables at baseline and each follow up time point for the e-cigarette (EC) and usual care (UC) arms.
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Frequencies and percentages for smoking related outcome variables at baseline and each follow up time point for the e-cigarette (EC) and usual care (UC) arms.
该数据集涵盖电子烟(EC)组与常规护理(UC)组在基线及各随访时间点的吸烟相关结局变量的频次与占比数据。
创建时间:
2020-10-23



