Omdat het moeilijk is om eenvoudig door te betasten een diep in het weefsel liggend knobbeltje te vinden.
Secondly, sales on export markets could be made at higher prices, and hence the fact that the company did not sell more inthe Community as opposed to outside of it could possibly be explained by other factors such as, for example, the company's own efforts to maximise returns on export markets which were more profitable than the Community marketjw2019 jw2019