TY - RPRT TI - Recombinant vaccinia virus: immunization against multiple pathogens. AU - M E Perkus AU - A Piccini AU - B R Lipinskas AU - E Paoletti PY - 1985 DO - 10.1126/science.2992092 UR - https://pubmed.ncbi.nlm.nih.gov/2992092/ ID - 2992092 ER -