Authors: G Johnson; D Roberts; R Brown; E Cox; Z Evershed; P Goutam; P Hassan; R Robinson; A Sahdev; K Swan Journal: Br Med J (Clin Res Ed) Date: 1987-03-28
Authors: W Himmel; E Ittner; M M Kochen; H W Michelmann; B Hinney; M Reuter; M Kallerhoff; R H Ringert Journal: Br J Gen Pract Date: 1997-02 Impact factor: 5.386