Jochen W L Cals, Christopher C Butler, Rogier M Hopstaken, Kerenza Hood, Geert-Jan Dinant
Cals J W L, Butler C C, Hopstaken R M, Hood K, Dinant G.
Effect of point of care testing for C reactive protein and training in communication skills on antibiotic use in lower respiratory tract infections: cluster randomised trial
BMJ 2009; 338 :b1374
doi:10.1136/bmj.b1374