@garyrikard @EricTopol Not really that important since all students were tested weekly.
@garyrikard @EricTopol 并不是那么重要，因为所有学生每周都要接受测试。
@garyrikard @EricTopol Not really that important since all students were tested weekly.
@garyrikard @EricTopol 并不是那么重要，因为所有学生每周都要接受测试。