605,394 TÔRMA HANS Studies on the vitamin a metabolism in human and murine skin : [doctoral thesis] / Hans Torma ; [Uppsala University] . — Uppsala : Academiae Upsalien-sis, 1987. — 48 s. : wykr. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476, 112) ISBN 91-554-2064-8