TY - GEN AU - Watters, David A. K. TI - Gastroenterology in the tropics and subtropics: a practical approach SN - 033359343X AV - RC801 .W388 1995 PY - 1995/// CY - London PB - Macmillan KW - Gastroenterology KW - Tropics KW - Tropical medicine. N1 - includes index ER -