Reviewing+the+existing+literature


 * Examples **


 * A recent study __found that__ hypoxia can be an endocrine disruptor and teratogen in fish. ([|Wu & Or, 2005])


 * Previous studies __identified__ higher effects of ozone on natural mortality for the elderly. ([|Nuvolone et al., 2013])

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 * To date, detailed __studies__ on the interactions between edible fungi and bacteria __have been conducted__ primarily with strains of //P. putida// during basidome morphogenesis of //A. bisporus.// ([|Cho et al., 2003])
 * This is of particular concern in the case of spinal cord injury, where recent __studies have shown__ that transplanted neuroepithelial stem cells can generate pain syndromes. ([|Davies et al., 2008])
 * The administration of IL-2 in vivo __has been shown__ to enhance natural killer function, [...] ([|Rosenberg et al., 1984])
 * Recently, __it has been shown__ that the surface energy in small droplets can be utilized to drive solutions through solution filled microchannels with controlled flow rates. ([|Chen and Lindner, 2009])
 * Black carbon (BC), usually __defined as__ highly condensed carbonaceous residues in incomplete combustion, is the dominant light-absorbing aerosol component in the atmosphere. ([|Jacobson, 2001])
 * Thus, nearly half a century ago, the process now known as cellular senescence __was linked to__ both tumor suppression and aging. ([|Rodier and Campisi, 2011])
 * This effectiveness __has resulted in__ cisplatin now being one of the three most utilized chemotherapeutics in the world. ([|Sood et al., 2006])
 * Iron complexes __have been extensively studied__ as models for nonheme iron oxygenases and as catalysts for oxidation of organic substrates. ([|Yeung et al., 2008])
 * Since the early work of [...] __it is known that__ thiazolium salts, such as 3-ethylthiazolium bromide or the naturally occurring thiamine (vitamin B1), catalyze the condensation of benzaldehyde to benzoin under basic conditions. ([|Enders and Kallfass, 2002])
 * __It is well known that__ mercury ion inactivates sulfhydril enzymes and also combines with amine. ([|Abbas, 2011])


 * __In spite of__ this, ants can build very tall and stable structures with self-cooling characteristics, as shown in Figure 1a. (Sarkisian et al.,2010)

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 * __The result showed that__ students were highly satisfied with residence hall programs, activities, staff study conditions, student government, and residence hall publications. (AlKandari, 2007)