Source:
Lancet (London, England) [Lancet] 2003 Oct 11; Vol. 362 (9391), pp. 1243.Publisher: Elsevier Country of Publication: England NLM ID: 2985213R Publication Model: Print Cited Medium: Internet ISSN: 1474-547X (Electronic)
Source:
Nature [Nature] 2009 May 21; Vol. 459 (7245), pp. 300.Publisher: Nature Publishing Group Country of Publication: England NLM ID: 0410462 Publication Model: Print Cited Medium: Internet ISSN: