00659cam a2200205 7i4500 0000004733 20080523090000.0 20030809 10:30 080523 nvu NM NM QP534 .J46 1979 Jenkins, Dale W. Toxic trace metals in mammalian hair and nails by Dale W. Jenkins. Las Vegas, Nevada: U. S. Environmental Protection Agency, 1979. viii, 184p.; 28cm. EPA-600/4-79-049 Trace elements -- Health aspects Trace elements in the body BP00006118 Book Open Shelf HQ Library