@base .
a ;
"0036-5572" ;
.
a , , ;
, , ;
"Scandinavian journal of respiratory diseases." ;
;
;
"0036-5572" ;
;
"0036-5572" ;
;
"0036-5572" ;
"Scandinavian journal of respiratory diseases." , "Scandinavian journal of respiratory diseases" ;
.
"Denmark" .
a ;
"0036-5572" ;
.
a , ;
"Scandinavian journal of respiratory diseases" .
a ;
.
a .
.
a ;
;
"20040609163300.0"^^ ;
;
.