TY - RPRT TI - POLIO NEUTRALIZATION TESTS WITH MGC12-STABILIZED VIRUS. AU - I PETERSEN AU - VON MAGNUS PY - 1964 DO - 10.1111/apm.1964.61.4.652 UR - https://pubmed.ncbi.nlm.nih.gov/14185499/ ID - 14185499 ER -