1. Electron microscopic and cytochemical studies of rat aorta. Intracellular vesicles containing elastin- and collagen-like material

   • Johan Thyberg
   • Aleksander Hinek
   • ULF Friberg

   Papers Pages: 1 - 17

2. Comparative studies on the nature of purified cytomembranes of the rabbit parotid gland

   • M. A. Williams
   • M. K. Pratten
   • G. H. Cope

   Papers Pages: 19 - 50

3. The ultrastructural localization of the enzymes related to steroid hormone metabolism in the guinea-pig testis

   • Gönül Bara

   Papers Pages: 51 - 71

4. Specific immunohistochemical localization of Type I collagen in porcine periodontal tissues using the peroxidase-labelled antibody technique

   • L. G. Rao
   • H. M. Wang
   • J. Sodek

   Papers Pages: 73 - 82

5. Histochemical characterization of monoamine oxidase in ependyma of rat hypothalamus

   • D. Williams
   • J. E. Gascoigne
   • E. D. Williams

   Papers Pages: 83 - 95

6. Immunohistochemical localization of erythropoietin in the rat and mouse submandibular gland

   • F. Fava-De-Moraes
   • E. O. Zangheri
   • A. I. Doine

   Papers Pages: 97 - 102

7. Histochemical localization of glycosidases in dog epididymis

   • F. Sinowatz
   • M. Fischer
   • J. A. Chandler

   Papers Pages: 103 - 109

8. The pH dependence of borohydride as an aldehyde reductant

   • Olga B. Bayliss
   • C. W. M. Adams

   Papers Pages: 111 - 116

9. Immunocytochemical demonstration of 5-hydroxytryptamine in gastrointestinal endocrine cells

   • P. Facer
   • J. M. Polak
   • A. G. E. Pearse

   Papers Pages: 117 - 121

10. Book review

    • R. T. Allison

    BookReview Pages: 123 - 124

11. Announcements

    Announcement Pages: 125 - 125