Paibulaya Punthuprapasa. 1996. Diagnosis of intestinal amoebiasis using salivary IgA antibody detection. Faculty of Graduate Studies, Mahidol University;
Paibulaya Punthuprapasa. (1996) Diagnosis of intestinal amoebiasis using salivary IgA antibody detection . Mahidol University/Bangkok.
Paibulaya Punthuprapasa. Diagnosis of intestinal amoebiasis using salivary IgA antibody detection. . Bangkok:Mahidol University, 1996.
Paibulaya Punthuprapasa. (1996) Diagnosis of intestinal amoebiasis using salivary IgA antibody detection . Mahidol University/Bangkok.