Fig. 4From: Relationship between internet research data of oral neoplasms and public health programs in the European UnionEvolution of the monthly number of articles published in the written press and the media in Europe as a function of time (2004–2018). The linear regression curves have the following equation: English (y = 0.0325x + 1.5496; R2 = 0.1793), French (y = − 0.0006x + 4.2038; R2 = 0.0002), German ( y = 0.0047x + 1.7921; R2 = 0.0239)Back to article page