The median age technique for assessing currency of consumer health information monographic collections in public libraries.
Li
Guisu
G
College of Information Science and Technology, Drexel University, Philadelphia, PA 19104-2875, USA. gl55@drexel.edu
D001867:Book Classification / Q000592:standards*; D006266:Health Education / Q000458:organization & administration*; D006801:Humans; D007993:Libraries, Medical / Q000592:standards* / Q000706:statistics & numerical data; D008000:Library Surveys; D012014:Reference Books, Medical; D014481:United States