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On the opposite, recent studies revealed that hematopoietic markers may be not expressed in the true stem cell fraction of the oval cell population [5], [6] thus indicating that oval cells are not from bone marrow origin but may originate either from the canal of Hering as suspected long ago [7], [8] or from other hepatic stem cell niches identified inside the liver [9].

Various causes for business failure may originate either from the external environment or from factors internal to the business.

Moreover, CAFs may originate either as fibroblasts or from epithelial cells that have undergone EMT [ 14].

Food for the cities may originate either from urban & peri-urban agriculture (UPA) or from rural areas.

These vessel-disrupting inflammatory injuries may originate either from the alveolar side (e.g. pneumonia, abscess) or from the vascular side of the blood gas interface.

These may originate either from independent tandem arrays or from the second incomplete 5 S rDNA2 copy in the 26 S-18 S spacer.

Manganese and other low-concentration elements may originate from either mineral components of the wood or impurities in the preservative salt blend.

In a study of ovarian endometriomas, Fukunaga [20] noted that SMM in ovarian endometriosis is not an uncommon phenomenon and assumed that smooth muscle may originate from either metaplastic endometrial stromal cells in endometriotic foci or metaplastic ovarian stromal cells in the rim of endometriosis.

This long-lasting correlation may originate from either a fraction of slowly diffusing NLS-GFP molecules or from average changes of fluorescence intensity in that particular region during the time of acquisition (e.g. movements of cytoplasmic organelles, photobleaching, etc).. Next we applied the pair correlation analysis to the study of NLS-GFP intracompartment diffusivity (Fig. 3).

The few macrophagic colonies observed in the ES34− fraction may originate from either CD34+ contaminant cells that were too few to be detected by FACS, or from progenitors of primitive hematopoiesis that were endowed with the ability to produce GM colonies at a low frequency [17].

Dietary intake of vitamin D may originate from either plant based sources (ergocalciferol, D2) or animal based sources (cholecalciferol, D3).