Collaborating with a primary care-based research network.
Frew
E J
EJ
Hammersley
V
V
Wolstenholme
J
J
Whynes
D K
DK
D003299:Cooperative Behavior; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011320:Primary Health Care; D012106:Research