High quality clinical studies.
Chadwick
B
B
Dummer
P M
PM
Dunstan
F
F
Gilmour
A S
AS
Jones
R
R
Phillips
C
C
Rees
J S
JS
Richmond
S
S
Stevens
J
J
Treasure
E I
EI
D007598:Journalism, Dental / Q000592:standards; D017712:Peer Review, Research; D010506:Periodicals as Topic; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D006113:United Kingdom