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Distribution and terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL) staining intensity of apoptotic cells from NGVEV-infected goslings
The average numbers of apoptotic cells (cells per 0.1 mm2 field) were recorded as follows: no apoptosis (-), less than 10% apoptotic cells (+), 10~40% apoptotic cells (++), and more than 40% apoptotic cells (+++).
