1. Assessing clinical discoveries;McWhinney;Ann Fam Med,2008
2. Epidemic catarrhal jaundice. An outbreak in Yorkshire;Pickles;BMJ,1930
3. Epidemiology in country practice;Pickles;Proc R Soc Med,1935
4. Journey to the interior: the search for academic general practice;Marinker;J R Coll Gen Pract,1987