543,673 ROLLMAN OLA Vitamin A in normal and diseased human skin : a quantitative study of retinoids and caro— tenoids with particaular reference to disorders of keratinization : [doctoral thesis] / by Ola Rollman ; [Uppsala University]. -Uppsala : Academiae Upsaliensis, 1984. - 51 s. : wykr. ; 25 cm (Acta Universitatis Upsaliensis : Abstracts of Uppsala Dissertations from the Faculty of Medicine, ISSN 0345-004X ; 509) ISBN 91-554-1627-6