TY - RPRT TI - Erythromycin resistant Streptococcus pyogenes in Merseyside. AU - E R Youngs PY - 1984 DO - 10.1016/s0163-4453(84)93543-6 UR - https://pubmed.ncbi.nlm.nih.gov/6366071/ ID - 6366071 ER -