1. Serological and virological evidence of human T-lymphotropic virus in systemic lupus erythematosus

   • R. G. Olsen
   • M. J. Tarr
   • J. R. Blakeslee

   Original Investigations Pages: 53 - 64

2. Effect of trypsin and chymotrypsin on polypeptides of human rotavirus KUN strain

   • T. Sato
   • S. Kitaoka
   • N. Ishida

   Original Investigations Pages: 65 - 73

3. The influence of killed Propionibacterium granulosum on experimental infection with Escherichia coli

   • H. Hof
   • G. Pulverer

   Original Investigations Pages: 75 - 78

4. Correlation between susceptibility to chloramphenicol, tetracycline and clindamycin, and serogroups of Clostridium difficile

   • S. Nakamura
   • K. Yamakawa
   • S. Nishida

   Original Investigations Pages: 79 - 82

5. The macrophages as an effector cell in Giardia lamblia infections

   • S. S. Kanwar
   • B. N. S. Walia
   • R. C. Mahajan

   Original Investigations Pages: 83 - 88

6. Assay for heat-labile Escherichia coli enterotoxin using sandwich erythroimmunoassay

   • Y. Germani
   • E. Begaud
   • J. L. Guesdon

   Original Investigations Pages: 89 - 97

7. The regulated expression of Epstein-Barr virus: evidence that the transition from primary to secondary protein synthesis in Raji cells superinfected with Epstein-Barr virus requires the synthesis of new RNA

   • G. J. Bayliss
   • H. Wolf

   Original Investigations Pages: 99 - 102

8. Flavobacterium group IIb bacteremia: report of a case and review of Flavobacterium infections

   • Y. Siegman-Igra
   • D. Schwartz
   • N. Konforti

   Original Investigations Pages: 103 - 111

9. Molecular weight determination of the two segments of double-stranded RNA of infectious bursal disease virus, a member of the birnavirus group

   • H. Müller
   • R. Nitschke

   Short Communication Pages: 113 - 121