| detection and characterisation of bisegmented double-stranded rna viruses (picobirnaviruses) in human faecal specimens. | the prevalence of picobirnaviruses (pbvs) in human stools was investigated by polyacrylamide gel electrophoresis (page) analysis of 832 faecal specimens collected between 1982 and 1993 from patients in various clinical groups. similar prevalences (9-13%) were detected in patients with or without gastroenteritis and throughout the age range of 3 to > 65 years. two methods for the extraction of nucleic acid, a phenol/chloroform method and a guanidinium thiocynate (gtc)/silica method, were compared ... | 1995 | 7775930 |