The large Lyman-alpha samples in five QSOs with z em between 2.2 and 3.3 are used to
test whether the absorbing gas is cosmologically distributed or ejected from the QSOs. It is …

results:(a) NGC 3379 exhibits slight rotation (v0= 1 5 km s 'at r= 14”) along the NS direction
(22 from the minor axis). The velocity dispersion is 195 km s 'for r< 14”; this shows a

Results are presented for broadband three-color (BVR) photometric observations of the
peculiar elliptical radio galaxy M87, which were obtained with digital two-dimensional SIT and …

Background Although digoxin is effective in the treatment of patients with chronic heart failure
who are receiving diuretic agents, it is not clear whether the drug has a role when patients …

The mutualistic symbiosis involving Glomeromycota, a distinctive phylum of early diverging
Fungi, is widely hypothesized to have promoted the evolution of land plants during the …

Objective: To investigate the risks of the sudden infant death syndrome and factors that may
contribute to unsafe sleeping environments. Design: Three year, population based case-…

Rhizobia are the bacteria that form nitrogen‐fixing nodules on legumes. The current list of
four rhizobium genera and 17 species is reviewed, with some comments on likely future …

Purpose New onset atrial fibrillation (NOAF) in critically ill patients has been associated with
increased short-term mortality. Analyses that do not take into account the time-varying …

Microbial ecology is currently undergoing a revolution, with repercussions spreading
throughout microbiology, ecology and ecosystem science. The rapid accumulation of molecular …

Background Rhizobium leguminosarum is an α-proteobacterial N 2 -fixing symbiont of legumes
that has been the subject of more than a thousand publications. Genes for the symbiotic …