Source:
The New England journal of medicine [N Engl J Med] 1999 Jun 03; Vol. 340 (22), pp. 1697-703.Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Print ISSN:
Source:
The New England journal of medicine [N Engl J Med] 1999 Jun 03; Vol. 340 (22), pp. 1752-3.Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Print ISSN: