[Contact with authorities an obstacle for clinical research].
Mattsson
Gun-Inger
GI
Centrallasarettet, Västerås.
Bolldén
Carl-Henric
CH
Enlund
Mats
M
D035843:Biomedical Research; D017408:Guidelines as Topic; D006291:Health Policy; D006801:Humans; D007396:Internship and Residency; D013548:Sweden