Colorectal cancer screening using fecal occult blood tests followed by identification and removal of lesions can reduce mortality from colorectal cancer.
For fecal and total coliforms the dependent variable is 1 log annual mean concentration.
The time has come to implement well-organized population-based fecal occult blood screening.
For the calculation of all epidemiological variables, each fecal sample was considered to be independent.
Effect of fecal occult blood testing on mortality from colorectal cancer.
The fecal occult blood test is the only procedure that has been widely evaluated as a screening tool at population level.
Larval beetles form a defense from recycled host plant c hemicals discharged as fecal wastes.
For fecal and total coliforms the dependent variable is 1 mean concentration.
