Hedges, S Blair <br/><br/>
Constraining fossil calibrations for molecular clocks.  [electronic resource] 

 -  BioEssays : news and reviews in molecular, cellular and developmental biology  Jul 2006 
 - 770-1; author reply 772-3 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0265-9247 
<br/><br/><label>Standard No.: </label>10.1002/bies.20437  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Calibration<br/>Evolution, Molecular<br/>Fossils<br/>Time Factors