TY - BOOK AU - Oomen,Andries Pieter TI - Studies on onchocerciasis and elephantiasis in Ethiopia PY - 1969/// CY - Haarlem PB - De Erven F. Bohn N. V KW - Onchocerciasis KW - Elephantiasis KW - Communicable diseases KW - Ethiopia KW - Filariasis KW - occurrence N1 - Includes bibliographical references ER -