546,384 LINDELÖF BERNT Grenz ray therapy in dermatology : an experimental, clinical and epidemiological study : [thesis]/ Bernt Lindelof ; Karolinska Institute. - Stockholm : Alm-qvist and Wiks 11 dist., 1987. - [4], 67 s. : il, wykr. ; 25 cm (Acta Dermato-Venerologica ISSN 0365-8341 ; suppl:1