Source:
The New England journal of medicine [N Engl J Med] 1999 Apr 22; Vol. 340 (16), pp. 1255-68.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] 1973 Oct 04; Vol. 289 (14), pp. 725-30.Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print Cited Medium: Print ISSN: