549,497 JUVENILE Juvenile headache : etiopathogenesis, clinical diagnosis and therapy : Proceedings of the International Juvenile Headache Congress, Rome, 6-9 March, 1991 / ed. Virgilio Gallai and Vincenzo Guidetti, - Amsterdam [etq. : Excerpta Medica, 1991. - XIX, 546 s. : il., wykr. ; 25 cm (International Congress Series ; nr 969) ISBN 0-444-89318-0