Pennec, Y. L., Leroy, J. P., Jouquan, J., Lelong, A., Katsikis, P., & Youinou, P. (1990). Comparison of labial and sublingual salivary gland biopsies in the diagnosis of Sjögren's syndrome.

Pennec, Y L., J P. Leroy, J. Jouquan, A. Lelong, P. Katsikis, and P. Youinou. Comparison of Labial and Sublingual Salivary Gland Biopsies in the Diagnosis of Sjögren's Syndrome. 1990.

Pennec, Y L., et al. Comparison of Labial and Sublingual Salivary Gland Biopsies in the Diagnosis of Sjögren's Syndrome. 1990.