When invasive tumors are merely a few millimeters, they have the capacity to infiltrate normal tissue, create a reactive stroma, and generate a neovascular response. The tumor neovascularization creates an angiogenic support for cellular proliferation and vascular entry that leads to tumor dissemination. Despite excision of the primary neoplastic mass, residual tumor cells remain occult to phys...

The reaction of PbCI, with 1,4,10,13-tetra-oxa-7, 16-diaza-cyclooctadecane (L= C H N O ) yielded colourless crystals of LPbCI . The complex crystallizes in monoclinic space group, C2/c, a = 7.90(2), b = 14.75(3) and C = 17.36(3) ?= ? 101.75(3)?, Z = 4 and R = 0.083 The coordination number around the lead atom is Eight . [Pb-N, 2.36(1), 2.70(4)], [Pb-0,2.41(3)-2.57(3)], [Pb-CI, 2.51(4), 2.5...

We experimentally investigate the optimal way to handle the uncovering of a noble lie, that is, a lie that supposedly is in the best interest of a given community. For this purpose, we analyze a public good game with feedback to group members on the average contributions of the other group members. The computer program inflates the feedback and shows higher than real average contributions to th...

In this article the actual and relative costs of tuition at 3 Ontario medical schools are traced over the past 150 years. In addition, the factors that led to Ontario's nearly 4-decade experiment in private medical education (and to its eventual demise) are presented. In relative terms, tuition was stable for over a century, then declined (after 1960) as government support rose. Access to medic...

ABSTRACT We present a detailed study of the longitudinal proximity effect using sample 85 quasars spanning an emission redshift range 3.5 ? zem 4.5 and Lyman continuum luminosity (L912) ranging from 1.06 × 1031 to 2.24 1032 erg s?1 Hz?1. use high-quality spectra these obtained at spectral resolution R ? 5100 S/N 30 X-SHOOTER spectrograph mounted on Very Large Telescope (VLT). In our analysis, w...