1. Springer—150 years

   • Nepomuk Zöllner

   Editorial Pages: 1055 - 1055

2. Cardiac natriuretic peptide hormones during artificial cardiac pacemaker stimulation and left heart catheterization

   • B. Noll
   • B. Göke
   • B. Maisch

   Original Article Pages: 1057 - 1060

3. Peptic ulcer bleeding: medical and surgical point of view

   • K. Thong
   • C. Ohmann
   • DÜSUK Study Group

   Original Article Pages: 1061 - 1069

4. Endothelin-1 in patients with complicated and uncomplicated myocardial infarction

   • P. Lechleitner
   • N. Genser
   • B. Puschendorf

   Original Article Pages: 1070 - 1072

5. Book reviews

   • W. G. Zoller
   • S. Schönbeck

   BookReview Pages: 1072 - 1072

6. Erythema nodosum of dental origin

   • W. Kirch
   • U. Dührsen

   Case Report Pages: 1073 - 1078

7. Disseminated toxoplasmosis with sepsis in AIDS

   • M. Buhr
   • W. Heise
   • M. L'age

   Case Report Pages: 1079 - 1081

8. Coincidence of primary myelodysplastic syndrome and non-Hodgkin lymphoma

   • R. Schulze
   • G. Schlimok
   • D. Renner

   Case Report Pages: 1082 - 1085

9. Comparison of nitroglycerin with nifedipine in patients with hypertensive crisis or severe hypertension

   • W. D. Bussmann
   • P. Kenedi
   • N. Rachor

   Clinical Pharmacology Pages: 1085 - 1088

10. Low incidence of Pneumocystis carinii pneumonia in HIV patients receiving 300 mg pentamidine aerosol every 2 weeks

    • U. Kronawitter
    • J. R. Bogner
    • F. -D. Goebel

    Clinical Pharmacology Pages: 1089 - 1091

11. Book reviews

    • R. Pichlmayr
    • B. Gathof

    BookReview Pages: 1092 - 1092

12. News from around the world

    News Pages: 1093 - 1093