Essai sur l'anatomie et la physiologie des dents, ou nouvelle théorie de la dentition.

In this work Serres described the glands of Serres, epithelial remnants of the dental lamina. These have the capicity to form small cysts (Bohn's nodules). Serres believed that gingival crevicular fluid was secreted from this tissue.

Digital facsimile from Google Books at this link.