TY - BOOK AU - Clayman,Charles B. TI - A Healthy digestion SN - 0895774062 U1 - 610 PY - 1992/// CY - Pleasantville, N.Y. PB - Reader's Digest Association KW - Digestion KW - Gastrointestinal system N1 - At head of title: The American Medical Association; Includes index ER -