3089445 MTTC modified time to collision 17 3089454 MTTC 4-methyl-2-(4-(trifluoromethyl)phenyl)-1,3-thiazole-5-carboxylic acid 2 3089455 MTTC mental toughness training circle 2 3089446 MTTC maximum treatable tumor challenge 1 3089447 MTTC mean time to treatment change 1 3089448 MTTC mean transit time, central 1 3089449 MTTC metal tray total condylar 1 3089450 MTTC metatarso-cuneiform 1 3089451 MTTC methyltrimethyltridecylchroman 1 3089452 MTTC mitochondrial tRNA(Cys) 1 3089453 MTTC modified TTC 1