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Watkins, C., I. Harvey, P. Carthy, L. Moore, E. Robinson, and R. Brawn. Attitudes and Behaviour of General Practitioners and Their Prescribing Costs: A National Cross Sectional Survey. BMJ Group, 2003.

Watkins, C., et al. Attitudes and Behaviour of General Practitioners and Their Prescribing Costs: A National Cross Sectional Survey. BMJ Group, 2003.