Performance of two commercial ELISAs for detecting IgA anti-human and anti-guinea pig tissue transglutaminase antibodies - Abrantes-Lemos, Clarice Pires; Nakhle, Maria Cristina; Damiao, Aderson Omar Mourao Cintra; Sipahi, Aytan Miranda; Carrilho, Flair José; Cancado, Eduardo Luiz Rachid (Clinical laboratory, 2010)