Author: pablo Albornoz
Position: Student
Institution: Universidad Nacional de Cordoba
E-mail: pablodalbornoz@yahoo.com.ar
Submitted Date: November 07, 2005
Published Date: November 11, 2005
This comment was originally posted as a “Reader Response” on the publication date indicated above. All Reader Responses are now available as comments.
Another useful search engine is at Stanford University Libraries' Highwire Press (http://highwire.stanford....), which can search all journals hosted by them together with Pubmed. They also claim that "HighWire Press hosts the largest repository of free, full-text, peer-reviewed content".