Introdução à Parasitologia

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AN 
INTRODUCTION TO 
PARASITOLOGY 
BY 
JOHN M. WATSON 
D.Sc. (London), A.R.C.Sc. 
Principal Lecturer in Biology·, West Ham College 
of Technology. Member of Expert Advisory Panel 
for Parasitic Diseases, World Health Organisa­
tion, Geneva 
WILLIAM HEINEMANN MEDICAL BOOKS LTD 
LONDON