Nonaka, T.(1999). Shigella flexneri YSH6000 induces two types of cell death, apoptosis and oncosis, in the differentiated human monoblastic cell line U937. FEMS Microbiology Letters, 174(1), 89-95. doi:10.1016/s0378-1097(99)00125-1

Nonaka, T. "Shigella Flexneri YSH6000 Induces Two Types of Cell Death, Apoptosis and Oncosis, in the Differentiated Human Monoblastic Cell Line U937". FEMS Microbiology Letters, 174.1 ( 1999 ): 89-95.