%0 Journal Article %A D. C. Morrell %A H. G. Gage %A N. A. Robinson %T Referral to hospital by general practitioners. %D 1971 %J The Journal of the Royal College of General Practitioners %P 77-85 %V 21 %N 103 %U https://bjgp.org/content/bjgp/21/103/77.full.pdf