Citation: M. Ernst et Ed. London, More ethical challenges: Commentary on Fischman and Johanson's - Ethical and practical issues involved in behavioral pharmacology research that administers drugs of abuse to human volunteers, BEHAV PHARM, 9(7), 1998, pp. 499-501
Citation: M. Ernst et H. Krug, Seasonal growth and development of asparagus (Asparagus officinalis L.). III. The effect of temperature and water stress on carbohydrate content in storage roots and rhizome buds, GARTENBAUWI, 63(5), 1998, pp. 202-208