Immunoglobulin therapy continued to be a first line therapy in the treatment of severe respiratory diseases until the 1930s, even after sulfonamides were introduced.
A terapia de inmunoglobulinas continuou sendo a terapia de primeira liña no tratmento de doenzas respiratorias graves ata a década de 1930, incluso despois de que se empezasen a usar as sulfamidas.