Hoek, F. J., van den Bergh, F. A., Klein Elhorst, J. T., Meijer, J. L., Timmer, E., & Tytgat, G. N. (1987). Improved specificity of the PABA test with p-aminosalicylic acid (PAS).

Hoek, F J., F A. van den Bergh, J T. Klein Elhorst, J L. Meijer, E. Timmer, και G N. Tytgat. Improved Specificity of the PABA Test With P-aminosalicylic Acid (PAS). 1987.

Hoek, F J., et al. Improved Specificity of the PABA Test With P-aminosalicylic Acid (PAS). 1987.