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Table 2 Correlation coefficient matrix. Overview of correlations for salivary glutamate, nerve growth factor (βNGF), brain derived neurotrophic factor (BDNF), and substance P (SP) in patients with temporomandibular disorders myalgia (TMD) and healthy controls (CTR). All correlations have been adjusted for multiple comparisons according to Bonferroni. Statistical analyses were performed with Pearson or Spearman* correlations test. Red marked correlations denote significance

From: Altered levels of salivary and plasma pain related markers in temporomandibular disorders