TY - BOOK AU - Ayres,J.G. AU - Turpin,P.J. TI - Peak flow measurement: an illustrated guide SN - 0412736209 (pbk.) AV - RA 645 .A83A97 1997 U1 - 616.2/38 21 PY - 1997/// CY - London, New York PB - Chapman & Hall Medical KW - Asthma KW - Flow meters N1 - Includes bibliographical references and index ER -