Speculation about farm-related exposures of interest for childhood brain tumors has centered largely on agricultural pesticides and on farm animals [as a surrogate for an undetermined viral agent(s)].
They will also sign an undetermined number of rookie free agents to bring their training camp roster close to the 90-player limit.
Although in most of the elderly the etiological agent of CAP remains undetermined because of the difficulty in attaining adequate bronchial specimens and/or contamination of sputum by oral colonizing Gram-negative bacilli, S. pneumoniae represents the most frequently isolated pathogen in this population, accounting for up to 50% of the causative agents (Marrie 2000; Niederman et al 2001).
The real role of various agents, topically applied, remains undetermined [ 1- 3].Topical application of antibiotics has shown limited efficacy in the management of infected wounds, without conclusive results [ 4, 5].
The Sabre Holdings Corporation, the owner of the Internet travel agent Travelocity.com, plans to cut an undetermined number of jobs in the fourth quarter because it expects reduced profits because of discounted fees.
There are currently more than 25,000 people officially missing in Mexico, an undetermined but significant number of them enforced disappearances involving agents of the state.
From 15,000 20,000 of the new Yellow Cross shells containing the blistering agent sulfur mustard were fired in addition to an undetermined number of shells containing diphosgene.
However, what exactly the main agent of dispersal and the spreading mechanisms are remain undetermined.
Systematic laboratory investigation of specimens from well-investigated outbreaks of foodborne disease of undetermined cause, and detailed investigations of specific syndromes, may identify new agents (4, 5, 30 ).
Despite the attractiveness of microtubules as cancer targets, the clinical effectiveness and tolerance of microtubule-directed agents are limited, largely due to toxicity, broad and/or undetermined mechanisms of action, inherent or acquired resistance and tubulin mutations that reduce drug binding [ 2].
