Compensatory IgM to the Rescue : Patients with Selective IgA Deficiency Have Increased Natural IgM Antibodies to MAA–LDL and No Changes in Oral Microbiota - Mella, Miia A.; Lavrinienko, Anton; Akhi, Ramin; Hindström, Rasmus; Nissinen, Antti E.; Wang, Chunguang; Kullaa, Arja; Salo, Tuula; Auvinen, Juha; Koskimäki, Janne J.; Hörkkö, Sohvi (The American Association of Immunologists, 2021)