Introduction: Gene technology and biodiversity M. Altmann Multi-author Reviews 15 March 1993 Pages: 187 - 189
Nature in the laboratory — nature as a laboratory. Considerations about the ethics of release experiments C. Rehmann-Sutter Multi-author Reviews 15 March 1993 Pages: 190 - 200
Evaluating the fate of genetically modified microorganisms in the environment: Are they inherently less fit? R. E. Lenski Multi-author Reviews 15 March 1993 Pages: 201 - 209
Ecological long-term effects of cultigens becoming feral and of naturalization of non-native species H. SukoppU. Sukopp Multi-author Reviews 15 March 1993 Pages: 210 - 218
Invaders, weeds and the risk from genetically manipulated organisms M. Williamson Multi-author Reviews 15 March 1993 Pages: 219 - 224
The true meaning of ‘exotic species’ as a model for genetically engineered organisms P. J. Regal Multi-author Reviews 15 March 1993 Pages: 225 - 234
Lack of effect of antioxidant therapy during renal ischemia and reperfusion in dogs L. KónyaP. BencsáthJ. Fehér Research Articles 15 March 1993 Pages: 235 - 237
Lack of effects of 5-HT3 antagonists on normal and morphine-attenuated sexual behaviours in female and male rats S. A. TancoN. V. WatsonB. B. Gorzalka Research Articles 15 March 1993 Pages: 238 - 241
Substance P-induced fibrinolysis in the forearm of healthy humans M. FanciullacciS. FediU. Pietrini Research Articles 15 March 1993 Pages: 242 - 244
Systems analysis in cell biology: From the phenomenological description towards a computer model of the intracellular signal transduction network M. KrausP. LaisB. Wolf Research Articles 15 March 1993 Pages: 245 - 257
Chromosomal abnormalities in starved and marginally malnourished rats and in utero upon rehabilitation V. AluP. B. Murthy Research Articles 15 March 1993 Pages: 258 - 262
Extraordinary levels of cadmium and zinc in a marine sponge, Tedania charcoti Topsent: inorganic chemical defense agents R. J. CaponK. ElsburyA. T. R. Sim Research Articles 15 March 1993 Pages: 263 - 264
Pectinoacetals A-C: novel sterol hemiacetals from the gorgonian Ctenocella pectinata V. RoussisW. FenicalC. Harvala Research Articles 15 March 1993 Pages: 265 - 267
Diasteroisomeric ichthyotoxic acylglycerols from the dorsum of two geographically distinct populations ofArchidoris nudibranchs E. ZubíaM. GavagninG. Cimino Research Articles 15 March 1993 Pages: 268 - 271
Avoidance of competition by spruce bark beetles, Ips typographus and Pityogenes chalcographus J. A. Byers Research Articles 15 March 1993 Pages: 272 - 275