Breast milk anti-S1RBD immunoglobulin concentrations throughout lactation: An observational report.
Christoph HochmayrMartha TofererMarlene HammerlIra WinklerEva HuberMartina UrbanekUrsula Kiechl-KohlendorferElke GriesmaierAnna PosodPublished in: Acta paediatrica (Oslo, Norway : 1992) (2023)