545,121 ROSLING HANS Cassava, cyanide and epidemic spastic paraparesis : a study in Mozambique on dietary cyanide exposue : [docgtoral thesis] /by Hans Rosling ; Uppsala University. — Uppsala : Academiae Upsaliensis, 1986. — 52 s. : il., wykr. ; 24 cm (Acta Universitatis Upsaliensis : Commprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 19) ISBN 91-554-1798-1