542,514 RITHIE ANTON ELIOT [współaut.] LENMAN JOHN ANDREW REGINALD, RITCHIE ANTON ELLIOT Clinical electromyography / J.A.R. Lenman, A. E. Ritchie ; with a forew. by J. A. Simpson. — 3 ed. — [London] : Pitman Books Ltd., [1983]. - X V , [1], 239 s. : il., wykr. ; 24 cm ISBN 0-272-79708-1