TY - BOOK AU - Brown,D.S.(David Seymour) TI - Freshwater snails of Africa and their medical importance SN - 0850661455 PY - 1980/// CY - London PB - Taylor & Francis KW - Gasteropoda as carriers of disease KW - Africa KW - Gasteropoda KW - Mollusks KW - Snails KW - Trematoda KW - Trematode infections N1 - Includes bibliographies and index ER -