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  • Marie A. Moisio, M.A., RHIA Publisher: Delmar Thomson Learning Year: 2001 ISBN: 0766812073
  • Lawrence A. Smolley, M.D. and Debra Fulghum Bruce Publisher: W. W. Norton & Company Inc. Year: 1998 ISBN: 0393045994
  • JCAHO Publisher: JCAHO Year: 1999 ISBN: 0866885986
  • Kitchen Publisher: CRC Press Year: 1990 ISBN: 1878205056
  • Pratt, B. Publisher: Columbia Publications Year: 2000 ISBN: 1892651416

Questions and answersFrequently asked questions.

Different researches last differently. For example, program in about risk factors of cardiovascular diseases, its duration was considered several days as from the first day when field research was conducted to the last day it was finished. So, a lot depends on the type of the research and its aim. In some cases, the research duration can be stated in the attached article.