TY - RPRT TI - ECHO virus type 13. I. Isolation and characteristics. AU - W M HAMMON AU - D S YOHN AU - R A PAVIA AU - G SATHER PY - 1959 DO - 10.3181/00379727-100-24650 UR - https://pubmed.ncbi.nlm.nih.gov/13634161/ ID - 13634161 ER -