摘要:

AbstractThe gift parade as I remember it began early in medical school. Pharmaceutical companies offered free doctors' bags, free ophthalmoscope-otoscope instruments, free reflex hammers, free tuning forks, free books, and a variety of other“goodies”which we graciously accepted without thinking twice. As naive medical students, we did not consider the ethical implications of these offerings and were delighted not to have to spend funds from our meager resources for these student necessities.

ISSN:0735-7907    

DOI:10.3109/07357908909039850

出版商:Taylor&Francis    

年代:1989

数据来源: Taylor

摘要:

AbstractThe ability of interleukin-2 to induce the activation of a class of MHC unrestricted effector cells that are cytotoxic for autologous and allogeneic tumor cells in vitro was first reported by Grimm et al. (1).

ISSN:0735-7907    

DOI:10.3109/07357908909039851

出版商:Taylor&Francis    

年代:1989

数据来源: Taylor

摘要:

AbstractThe principle of tolerance to injurious substances and the use of threshold limit values have been central to the practice of occupational health. The concept of a threshold is well established in biological processes, for example, synaptic transmission and nerve stimulation as well as for acute effects of chemicals and radiation. Obviously, the protection of both the worker and general population would be greatly simplified if thresholds for carcinogenesis also existed and could be determined. Unfortunately, thresholds for carcinogenesis are like leprechauns, it is difficult to demonstrate their existence, but they generate lively if not always completely rational discussions.

ISSN:0735-7907    

DOI:10.3109/07357908909039852

出版商:Taylor&Francis    

年代:1989

数据来源: Taylor

ISSN:0735-7907    

DOI:10.3109/07357908909039853

出版商:Taylor&Francis    

年代:1989

数据来源: Taylor

ISSN:0735-7907    

DOI:10.3109/07357908909039839

出版商:Taylor&Francis    

年代:1989

数据来源: Taylor