TY - GEN AU - Olmos,J AU - Soifer,L AU - De Paula,J A AU - San Román,J AU - Varela,E AU - Bustos Fernández,L AU - Gadea,O AU - De Paula,A TI - [Do the physical characteristics of radiopaque markers modify the results of the measurement of colonic transit time?] SN - 0300-9033 PY - 1995///0714 KW - Adult KW - Aged KW - Barium KW - Colon KW - diagnostic imaging KW - Constipation KW - diagnosis KW - Contrast Media KW - Female KW - Gastrointestinal Transit KW - physiology KW - Humans KW - Male KW - Middle Aged KW - Polyethylenes KW - Prospective Studies KW - Radiography KW - Time Factors N1 - Publication Type: Comparative Study; Journal Article ER -