1.
Tidsskr Nor Laegeforen
; 137(12-13): 853, 2017 Jun 27.
Article
in Norwegian
| MEDLINE
| ID: mdl-28655223
2.
Bull World Health Organ
; 90(8): 559-559A, 2012 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-22893735
3.