© 1988 by W. B. Saunders Company, except for the article “Human Parvovirus В19 and Pregnancy,” which, as a U.S. Government publication, is in die public domain. Copyright under the Uniform Copyright Convention. Simultaneously published in Canada. All rights reserved. This publication is protected by copyright. No part of it may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. Made in the United States of America.
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