BMJ Open Volume 10 Issue 10 Harris, M, Brekke, M, Dinant, G J, Esteva, M, Hoffman, R, Marzo-Castillejo, M, Murchie, P, Neves, A L, Smyrnakis, E, Vedsted, P, Aubin-Auger, I, Azuri, J, Buczkowski, K, Buono, N, Foreva, G, Babić, S G, Jacob, E, Koskela, T, Petek, D, Šter, M P, Puia, A, Sawicka-Powierza, J, Streit, S, Thulesius, H, Weltermann, B & Taylor, G 2020, ' Primary care practitioners' diagnostic action when the patient may have cancer : an exploratory vignette study in 20 European countries ', BMJ Open, vol. 10, no. 10, e035678 . https://doi.org/10.1136/bmjopen-2019-035678 BMJ Open, 10(10):035678. BMJ Publishing Group Harris, Michael; Brekke, Mette; Dinant, Geert-Jan; Esteva, Magdalena; Hoffman, Robert; Marzo-Castillejo, Mercè; Murchie, Peter; Neves, Ana Luísa; Smyrnakis, Emmanouil; Vedsted, Peter; Aubin-Auger, Isabelle; Azuri, Joseph; Buczkowski, Krzysztof; Buono, Nicola; Foreva, Gergana; Babić, Svjetlana Gašparović; Jacob, Eva; Koskela, Tuomas; Petek, Davorina; Šter, Marija Petek; ... (2020). Primary care practitioners' diagnostic action when the patient may have cancer: an exploratory vignette study in 20 European countries. BMJ open, 10(10), e035678. BMJ Publishing Group 10.1136/bmjopen-2019-035678