And in the BMJ, in the first edition of January, 2012, you can see a study which looks to see if people kept to that ruling, and it turns out that only one in five have done so.
在英国医学杂志，2012年1月第一版， 你能找到一项关于人们是否履行上述法案的研究 结果表明只有五分一的人照此办理。 结果表明只有五分一的人照此办理。