1. Biological ballistics-no longer a shot in the dark

   • Nigel P. Batty
   • Jean M. Evans

   Review Pages: 107 - 113

2. Gene targeting in plants using theAgrobacterium vector system

   • Remko Offringa
   • Peter J. M. van den Elzen
   • Paul J. J. Hooykaas

   Review Pages: 114 - 123

3. Expression of the whey acidic protein in transgenic pigs impairs mammary development

   • Avi Shamay
   • Vernon G. Pursel
   • Lothar Hennighausen

   Papers Pages: 124 - 132

4. Expression of the mutantArabidopsis thaliana acetolactate synthase gene confers chlorsulfuron resistance to transgenic poplar plants

   • Ana Cristina Miranda Brasileiro
   • Colette Tourneur
   • Lise Jouanin

   Papers Pages: 133 - 141

5. High level expression of human apolipoprotein A-I in transgenic rats raises total serum high density lipoprotein cholesterol and lowers rat apolipoprotein A-I

   • Marke E. Swanson
   • Thomas E. Hughes
   • Kurt Bürki

   Papers Pages: 142 - 147

6. Forthcoming papers

   Announcement Pages: 148 - 148