I have some issues with the APS BibTex style file.
The issue ultimately is that revtex 4 has some bugs, as far as I can tell. 

Other possibility is to use revtex (older version), whose bibliography 
seems to be slightly better behaved than that of the current revtex. 

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  Mason "Saving Whales Using Matlab" Porter
  All my scientific articles were produced without the help of steroids.
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$Author: predrag $ $Date: 2007-04-23 21:43:07 -0400 (Mon, 23 Apr 2007)