Letters

Letters

See allHide authors and affiliations

Science  19 Feb 1971:
Vol. 171, Issue 3972, pp. 630-631
DOI: 10.1126/science.171.3972.630

Article Information

vol. 171 no. 3972 630-631

PubMed: 
Print ISSN: 
Online ISSN: 

Author Information

Altmetric

Article usage

Article usage: November 2006 to August 2018

AbstractFullPdf
Nov 2006001
Aug 2007001
Oct 2007001
Mar 2009001
Jul 2009001
Oct 2011001
Jan 2012001
Jul 2012001
Oct 2012001
May 2013001
Jun 2013001
Sep 2013100
Dec 2013300
Feb 2014100
Apr 2014200
Jun 2014200
Jul 2014400
Sep 2014100
Nov 2014200
Dec 2014100
Apr 2015100
May 2015101
Jun 2015001
Jul 2015200
Aug 2015001
Sep 2015001
Nov 2015201
Dec 2015001
Jan 2016200
Jul 2016001
Sep 2016001
Jan 2017001
Aug 2018002