Identification of Sphingomyelinase on the Surface of Chlamydia pneumoniae: Possible Role in the Entry into Its Host Cells - Peñate Medina Tuula A; Korhonen Juha T; Lahesmaa Riitta; Puolakkainen Mirja; Peñate Medina Oula; Kinnunen Paavo KJ (Hindawi Publishing Corporation, 2025)