It is, therefore, of high interest to evaluate the performances of newly introduced sources to highlight their benefits and limitations in comparison to other well established sources.
Gastroenterologists may also find it helpful to direct interested patients to well established sources of health information that are free of commercial influence.
Streamed data home monitoring, tele-health, handheld and sensor-based wireless are well established data sources for clinical data.
The document says the 45 minute claim "came from a reliable and established source, quoting a well-placed senior officer" - described by intelligence sources as a senior Iraqi officer still in Iraq.
It is well established that activation of oncogenes can lead to ROS production [ 51], and ROS is an established source of endogenous double-strand breaks [ 52].
In particular, normal cellular metabolism is well established as a source of reactive oxygen radicals — harmful by-products that can account for the background levels of oxidative DNA damage detected in normal tissue [17].
Normal cellular metabolism is well established as the source of endogenous reactive oxygen species (ROS), mainly as a result of normal oxidative metabolism in the mitochondria [ 1, 2].
Normal cellular metabolism is well established as the source of endogenous reactive oxygen species which account for the background levels of oxidative DNA damage detected in normal tissue.
This meta-analysis extends previous work by focusing on atopy-controlled studies, which has been well established as a source of confounding in individual studies, and examining the relationship between SHS exposure and onset of childhood asthma.
The thrombus is thought to originate from any of several well established potential embolic sources, including minor-risk or covert cardiac sources, veins via paradoxical embolism, and non-occlusive atherosclerotic plaques in the aortic arch, cervical, or cerebral arteries.
