Dictionary Contents: U

... Of health and human services; united states environmental protection agency; united states federal trade commission; united states food and drug administration; united states health care financing administration; united states health resources...
http://cancerweb.ncl.ac.uk/omd/contents/U.html

 

Asbestos and other natural mineral fibres (EHC 53, 1986)

... (b) Transmission electron microscopy A modern Transmission Electron Microscope has a resolution of about 0.0002 µm, which is more than adequate for resolving unit fibrils of any mineral. ...
http://www.inchem.org/documents/ehc/ehc/ehc53.htm