The long debate on the sixth guaiac test: time to move on to new grounds.
Gatsonis
C
C
Department of Health Care Policy, Harvard Medical School, Boston, MA 02115.
D015179:Colorectal Neoplasms / Q000175:diagnosis*; D003365:Costs and Cost Analysis / Q000379:methods; D006138:Guaiac; D006801:Humans; D009098:Multiphasic Screening / Q000191:economics*; D009780:Occult Blood; D012107:Research Design / Q000592:standards*; D014481:United States
D006138:Guaiac