Survey questions and responses to the G-Chron 2019 proficiency test

This data publication consists of two parts: (1) the questionnaire for round 1 of the G-Chron proficiency test as provided to the participating laboratories via the on-line...本数据出版物包含两部分内容：（1）通过在线（on-line）方式向参与实验室发放的G-Chron能力验证测试（G-Chron Proficiency Test）第一轮问卷……