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Five different human malignant melanoma were heterotransplanted subcutaneously to nude mice. When small tissue pieces were used 3 out of 5 tumors grew. Subcutaneous injections of suspended tumor cells were also made, but all failed to take. Metastatic or infiltrative growth was never seen in the mice observed for up to 2.5 months. The successful grafts largely retained the original morphological f
To the Editor: In a letter in the November 5 issue, Alperovitch and Feingold reported an increased sex ratio (male:female) among children of women with multiple sclerosis.1 We have observed a remarkably decreased sex ratio in the offspring of young adults with non-Hodgkin lymphoma. We recorded the sex of the children of 197 patients with this disease who were participating in an epidemiologic stud
A breast tumour from a 65-year old woman was found to be a primary non-Hodgkin lymphoma, a very rare primary malignancy in this location. The lymphoma was of a diffuse histiocytic type according to the classification of Rappaport, or polymorphic immunocytoma according to the Kiel classification. Immunohistochemistry, not previously reported for breast lymphomas, revealed the production of IgA. In
A compact combined sewer overflow (CSO) treatment unit is set up and evaluated in pilot-scale. The pilotplant consisted of flocculation, coagulation and a microsieving system followed by a disinfection unit with either O3 or ClO2. Efficiency of the pilot-plant was evaluated with respect to reduction of Escherichia coli, coliform bacteria and intestinal enterococci as well as removal of biocides. R
The pattern of heteromorphism in C‐band positive constitutive heterochromatin of human chromosomes Nos. 1, 9, and 16 was studied in peripheral lymphocytes from 78 patients with non‐Hodgkin lymphoma and 78 control individuals. The parameters of the heterochromatic regions analyzed were relative size, symmetry‐asymmetry within homologous pairs, and prevalence of inversions. No consistent differences
The pattern of heteromorphism in the C-band-positive constitutive heterochromatin of human chromosomes #1, #9, and #16 was studied in peripheral lymphocytes of 54 breast cancer patients and 78 control individuals. The parameters of the heterochromatic regions analyzed were relative size, symmetry-asymmetry within homologous pairs, and prevalence of inversions. Significant differences between the t
The photodissociation dynamics of CH3I and CH2ClI at 272 nm were investigated by time-resolved Coulomb explosion imaging, with an intense non-resonant 815 nm probe pulse. Fragment ion momenta over a wide m/z range were recorded simultaneously by coupling a velocity map imaging spectrometer with a pixel imaging mass spectrometry camera. For both molecules, delay-dependent pump-probe features were a
An occupational history of exposure to organic solvents, defined as daily occupational exposure for at least one year, was more common among 167 men with newly diagnosed non-Hodgkin's lymphoma than among 130 healthy referents from the general population (38 versus 14%). Categorization in five-year age groups gave 3.3 as a Mantel-Haenszel estimate of the odds ratio (95% CI 1.9-5.8). The odds ratio
To assist current efforts of the academic community to develop a fuller understanding of the function of general principles of international law, this article inquires into the operation of the principle of good faith. As argued, first, good faith serves as a principle of international legal pragmatics. It helps to explain the understanding of conduct in much the same way as, say, the requirement
The concept of treaty abuse, although being of great significance to the operation of international tax treaties, is by no means peculiar to this particular branch of law. A treaty abuse doctrine exists in general international law since long. As this paper argues, current work within the OECD, and especially the existence of the recently negotiated Multilateral Convention to Implement Tax Treaty
