The fact is that fresher stool samples give you more accurate and sensitive results. (pethealthnetwork.com)
They hope that studying fresh stool samples from the local neonatal unit will help them unlock the mystery of necrotising enterocolitis, a bowel disease that kills up to 5 per cent of premature babies. (newscientist.com)
The treatment team collects a fresh stool sample, at least 200 to 300 grams. (uchospitals.edu)