Self-assessment of faecal pH and faecal bulk in epidemiological studies.
van Faassen
A
A
TNO Nutrition and Toxicology Institute, Zeist, The Netherlands.
van't Veer
P
P
Bausch-Goldbohm
R A
RA
Sturmans
F
F
Hermus
R J
RJ
D000368:Aged; D000704:Analysis of Variance; D015179:Colorectal Neoplasms / Q000453:epidemiology* / Q000517:prevention & control; D004043:Dietary Fiber; D005243:Feces / Q000737:chemistry; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D016353:Self-Examination / Q000379:methods*