On the WONCA-conference in Copenhagen (Juni 2016), Ge A. Donker et al. presented  the results of their research into the determinants of cancer related gut feelings of GPs. A GP’s gut feeling appeared to be a useful tool. Its predictive value increases if GP is older or has more experience. BMJ-Open has already accepted a report about this research. Poster-WONCA2016-Determinants of general practitioner’s cancer related gut feelings