Cell analysis in bronchoalveolar lavage fluid (BALF) in intratracheal instillation using microspray aerosolizer with two types of posture. (A) Total cell count in BALF in posture angled approximately 45 degrees, (B) Total cell count in BALF in vertical posture, (C) Neutrophil count in BALF in posture angled approximately 45 degrees, (D) Neutrophil count in BALF in vertical posture, (E) Neutrophil percentage in BALF in angled posture, (F) Neutrophil percentage in BALF in vertical posture. No difference was observed in neutrophil influx in the lung in the two types of posture. (N.C.; Negative control, *p<0.05, **p<0.01)