Figure 4From: The effects of business practices, licensing, and intellectual property on development and dissemination of the polymerase chain reaction: case studyLinear correlations. (a) Parametric plot of PCR citations versus Maxam-Gilbert citations, with calculated Pearson correlation coefficient and p value. (b) Parametric plot of PCR citations versus pBR322 citations, with calculated Pearson correlation coefficient and p value.Back to article page