Correlation of serum vitamin D concentration with humoral‐specific IgG2 and IgG4 levels in high responders to immunotherapy with a 300 IR sublingual house dust mite tablet. Issue 10 (27th July 2022) - Fernandez, José Carlos; Luce, Sonia; Floch, Véronique Bordas‐Le; Canonica, Walter G.; Batard, Thierry; Mascarell, Laurent