To butterfly or to needle: the pilot phase

Ann Intern Med. 2004 Jun 1;140(11):935-6. doi: 10.7326/0003-4819-140-11-200406010-00027.
No abstract available

Publication types

  • Clinical Trial
  • Comparative Study
  • Letter
  • Randomized Controlled Trial
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Humans
  • Needles
  • Pain / etiology
  • Phlebotomy / adverse effects
  • Phlebotomy / instrumentation*
  • Pilot Projects