Pathway Commons 2019 Update: integration, analysis and exploration of pathway data. - Igor V. Rodchenkov; Ozgun Babur; Augustin Luna; Bülent Arman Aksoy; Jeffrey V. Wong; Dylan Fong; Max Franz; Metin Can Siper; Manfred Cheung; Michael Wrana; Harsh Mistry; Logan Mosier; et al. (Nucleic Acids Res., 2020)