1. Clinical research in thromboembolism: What is important for the urologist?

   • U. F. Gruber

   Editorial Pages: 49 - 50

2. Clinical implications of lower urinary tract pharmacology

   • H. N. Whitfield

   Review Pages: 51 - 54

3. Radioimmunoassays of Ethinyl-norgestrienone (R-2323) and medroxyprogesterone acetate (MPA) and their clinical applicability

   • J. Frick
   • G. Bartsch
   • G. Jakse

   Originals Pages: 55 - 59

4. Intrarenal reflux

   • P. G. Ransley

   Originals Pages: 61 - 69

5. Urinary clearance of ^113mIn-DTPA and ^99mTc-(Sn)DTPA measured by external arm counting

   • M. A. Macleod
   • W. F. Sampson
   • A. S. Houston

   Originals Pages: 71 - 74

6. Urinary sodium and calcium in various dog models and relationship to endogenous plasma glucagon

   • Ch. Bornhof
   • P. O. Schwille

   Originals Pages: 75 - 85

7. Canine urinary bladder epithelial cells: Preparation for cell culture by enzyme dispersion

   • Robert A. Bonar
   • Charles F. Reich III
   • Yousuf Sharief

   Originals Pages: 87 - 94

8. Report on the 28th annual meeting of the German Society of Urology

   • H. U. Eickenberg

   Congress Report Pages: 95 - 96

9. Announcements

   Announcement Pages: 97 - 97