Peb tau zoo siab tau koom nrog hauv xyoo no cov neeg hauv xyoo no - Philadelphia (CBA - GP) Kev sib tham txhua xyoo, ib xyoos ib zaug uas tau coj los ua ib lub zej zog zoo ntawm Sch
Tsis ntev los no, Iphase, nrog rau lub tsev kawm ntawv Perelman ntawm cov tshuaj hauv University of Pennsylvania, CO - Tso cai ib tsab xov xwm tshuaj tiv thaiv antibody (yog = 4.56) hu ua a