title: Backwards and forwards with anorectal manometry probes.
authors.forename: S S
authors.initials: SS
authors.lastname: Rao
mesh_terms: D001003:Anal Canal / Q000502:physiology; D004867:Equipment Design; D006801:Humans; D008365:Manometry / Q000295:instrumentation*; D012007:Rectum / Q000502:physiology*; D015203:Reproducibility of Results; D012107:Research Design