@base .
"England" .
a .
, ;
"Journal of epidemiology and community health." ;
;
;
;
;
;
;
"Journal of epidemiology and community health." , "Journal of epidemiology and community health (1979)" ;
.
a ;
"0143-005X" ;
.
.
a , ;
"Journal of epidemiology and community health (1979)" .
a ;
"20221124123358.370217"^^ ;
;
.
a ;
.