1.
Lakartidningen
; 82(30-31): 2587-8, 1985 Jul 24.
Article
in Swedish
| MEDLINE
| ID: mdl-3894838
2.
Clin Radiol
; 24(1): 107-12, 1973 Jan.
Article
in English
| MEDLINE
| ID: mdl-4579296