H. Koizumi

Increasing incidence of congenital heart disease in patients with Down syndrome

J. Takagi, T. Sonoda, K. Sawada, 2000 .

Septicemia complicating rotavirus gastroenteritis in 5-year-old child.

K. Nakatani, R. Nagano, H. Koizumi, 2009, The Pediatric infectious disease journal.