Dividing independence for ultraimaginaries is neither symmetric nor transitive. Moreover, any notion of independence satisfying certain axioms (weaker than those for independence in a simple theory) and defined for all ultraimaginary sorts, is necessarily trivial.

The study and evaluation of trends in cardiovascular risk factors in the population can be carried out by repeated transverse studies in sample populations over time. This is perhaps the strategy that has been most used by health care institutions by means of national health surveys and also by research groups using cross-sectional design studies, undertaken either on an autonomous regional lev...

By sharing contaminated needles, injecting drug users contribute in a significant manner to the spread of the human immunodeficiency virus (HIV) in Asia and in some European countries. Furthermore, injecting drug users may also be sex workers, and risky sexual activities allow the virus to spread to other parts of the population. Mathematical models of needle sharing have been used to evaluate ...

The contribution of sympathetic constrictor impulses to arteriolar tone is now recognized as playing an important though sometimes variable role in the maintenance of increased peripheral resistance in some patients with hypertension. However, lack of a clear understanding of the exact nature of autonomic influences and of their importance in relation to other pressor factors has complicated th...

statement of the problem: dental caries in infants and young children is prevalent worldwide; its magnitude and associated factors vary between communities because of cultural and social economic differences. no such information was available for pre-school children in mbeya city. purpose: to determine dental caries status and associated factors in 2 to 4-year-old children in mbeya city. materi...