0 -> Pneumococci___P
Pneumococci___P -> 0
Susceptible_epithelial_cells__EU -> 0
0 -> Epithelial_cells_with_bacteria_attached__Ea
Epithelial_cells_with_bacteria_attached__Ea -> 0
0 -> proinflammatory_cytokine__C
proinflammatory_cytokine__C -> 0
0 -> Neutrophils__N
Neutrophils__N -> 0
0 -> Debris__D
Debris__D -> 0