TY - JOUR T1 - Drug advertising and prescribing JF - The Journal of the Royal College of General Practitioners JO - J R Coll Gen Pract SP - 538 LP - 541 VL - 28 IS - 194 AU - Richard Dajda Y1 - 1978/09/01 UR - http://bjgp.org/content/28/194/538.abstract N2 - A study of the amount of drug advertisements received by general practitioners and the amount of the drugs practitioners prescribed showed a strong correlation of 0ยท80. Analysis suggests that a straight line graphic relationship provides the best fit for the results obtained. Further analysis of the quantity of advertising in relation to the amount of prescribing revealed two groups of drugs: those which were relatively more and those which were relatively less often advertised in proportion to the number of prescriptions issued for them. ER -