Educational outreach to general practitioners reduces children's asthma symptoms: a cluster randomised controlled trial
Merrick Zwarenstein; Angeni Bheekie; Carl Lombard; George Swingler; Rodney Ehrlich; Martin Eccles; Michael Sladden; Sandra Pather; Jeremy Grimshaw; Andrew D Oxman
作者Merrick Zwarenstein; Angeni Bheekie; Carl Lombard; George Swingler; Rodney Ehrlich; Martin Eccles; Michael Sladden; Sandra Pather; Jeremy Grimshaw; Andrew D Oxman