TY - RPRT TI - Varicella immunity: persistent serologic non-response to immunization. AU - R K Katial AU - S Ratto-Kim AU - K V Sitz AU - R Moriarity AU - R J Engler PY - 1999 DO - 10.1016/s1081-1206(10)62716-0 UR - https://pubmed.ncbi.nlm.nih.gov/10353572/ ID - 10353572 ER -