Gastrointestinal tract. Part 1: form and function.
Richardson
Marion
M
Department of Nursing and Midwifery, University of Hertfordshire.
D004063:Digestion; D041981:Gastrointestinal Tract / Q000033:anatomy & histology* / Q000098:blood supply / Q000502:physiology*; D006801:Humans; D009092:Mucous Membrane