prior to its use, the questionnaire was pretested on two groups of trainees. 这份调查问卷在正式使用之前,让两组实习生预先试做过。
Pretesting is recommended because patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency may develop "severe hemolysis" when taking this drug, the FDA table notes. FDA的表格中指出,建议治疗前检测,因为葡萄糖-六-磷酸盐去氢酶(G6PD)缺乏患者服用此药会发生严重的溶血;