Harer W B
West J Med. 1979 Aug;131(2):162-4.
Providing health information by telephone with tape-recorded messages has spread from a local medical society project to a nationwide information resource. More than 800,000 calls per month are received in 180 cities, accessing a library of more than 300 subjects.
通过电话提供录音信息的健康资讯服务，已从一个地方医学协会项目发展成为一项全国性的信息资源。180个城市每月接到超过80万个电话，访问一个涵盖300多个主题的资料库。
