TY - RPRT TI - Influenza between epidemics; a serological study. AU - P N MEENAN AU - M CLARKE AU - F E BYRNE PY - 1957 DO - 10.1016/s0140-6736(57)91243-6 UR - https://pubmed.ncbi.nlm.nih.gov/13417643/ ID - 13417643 ER -