Barendregt, P., van den Meiracker, A. H., Markusse, H., Tulen, J., Boomsma, F., van der Heijde, G. L., & Veld, A. (1999). Parasympathetic failure does not contribute to ocular dryness in primary Sjögren's syndrome.

Barendregt, P., A H. van den Meiracker, H. Markusse, J. Tulen, F. Boomsma, G L. van der Heijde, και A. Veld. Parasympathetic Failure Does Not Contribute to Ocular Dryness in Primary Sjögren's Syndrome. 1999.

Barendregt, P., et al. Parasympathetic Failure Does Not Contribute to Ocular Dryness in Primary Sjögren's Syndrome. 1999.