{Reference Type}: Journal Article {Title}: Total protein content and in vitro protein penetration rates of sublingual immunotherapy preparations. {Author}: Williams BA;Guo Y;Soller L;Chan ES;Pratap-Singh A; {Journal}: Ann Allergy Asthma Immunol {Volume}: 0 {Issue}: 0 {Year}: 2024 Aug 8 {Factor}: 6.248 {DOI}: 10.1016/j.anai.2024.07.033