Re: Measure once or twice--does it really matter?

J Natl Cancer Inst. 1999 Oct 20;91(20):1780-1. doi: 10.1093/jnci/91.20.1780.
No abstract available

Publication types

  • Letter
  • Comment

MeSH terms

  • Disease Progression
  • Humans
  • International Cooperation
  • Neoplasms / therapy*
  • Outcome Assessment, Health Care / standards*
  • Prospective Studies
  • Randomized Controlled Trials as Topic
  • Research Design