SEARCH Articles Figures Tables Drugs acting on the gastrointestinal tract. II Motility and secretions Gastrointestinal function gastric motility Gastrointestinal function intestinal motility Gastrointestinal function motility Gastrointestinal motility changes Gastrointestinal motility observational studies Gastrointestinal motility process Gastrointestinal system motility Gastrointestinal tract motility Motility Motility disorders, gastrointestinal Motility disorders, gastrointestinal constipation Motility, gastrointestinal, drugs affecting Oral drug absorption gastrointestinal motility