为美国卫生机构官员提供咨询的预防疾病服务工作组(The Preventative Services Task Force)说,对身体健康的男子而言,一种叫做PSA的简单验血可能弊大于利。
A simple blood test called PSA might do more harm than good for a healthy man, says the Preventative Services Task Force who provides consultations for the US health agencies.