1. In memoriam Géza Illyés on the 100th anniversary of his birth

   • A. Babics

   Announcement Pages: 5 - 7

2. Contribution to the problem of nephroptosis

   • H. Rockstroh
   • W. Hofmann

   OriginalPaper Pages: 9 - 14

3. On the surgical treatment of solitary cysts of the kidney

   • K. Stapor
   • G. Brauner

   OriginalPaper Pages: 15 - 20

4. Present position of conservative surgery in hydronephrosis

   • J. Djulepa

   OriginalPaper Pages: 21 - 27

5. Urolithiasis in children

   • E. Daszkiewicz

   OriginalPaper Pages: 29 - 36

6. Use of ethacrynic acid for evaluation of persistent concentrating defect after relief of lower urinary tract obstruction

   • L. Szende
   • J. P. Radó

   OriginalPaper Pages: 37 - 44

7. The value of urethral pressure measurements in incontinence

   • C. A. C. Charlton

   OriginalPaper Pages: 45 - 47

8. Antifibrinolytic treatment to prevent haemorrhage in prostate operations

   • D. Vecsey

   OriginalPaper Pages: 49 - 53

9. Results of treatment of acute intoxications by dialysis in dialysis centers of the GDR from 1959 to 1968

   • H. Dutz
   • D. Eckhardt
   • K. Zenker

   OriginalPaper Pages: 55 - 60

10. Certain problems of pyelonephritis

    • F. Rényi-Vámos

    OriginalPaper Pages: 61 - 74

11. Comparative study of peritoneal and haemodialysis

    • A. Tchervenakov
    • E. Patev
    • I. Gruev

    OriginalPaper Pages: 75 - 78

12. Book reviews

    • Z. Szendrői
    • F. Rényi-Vámos
    • E. Rosdy

    BookReview Pages: 79 - 82

13. XV^th Congress of the International Society of Urology

    News Pages: 83 - 86