Source:
Science (New York, N.Y.) [Science] 2004 Jan 30; Vol. 303 (5658), pp. 625-6; author reply 625-6.Publisher: American Association for the Advancement of Science Country of Publication: United States NLM ID: 0404511 Publication
Source:
Science (New York, N.Y.) [Science] 2003 Apr 25; Vol. 300 (5619), pp. 587.Publisher: American Association for the Advancement of Science Country of Publication: United States NLM ID: 0404511 Publication