Prophylactic rituximab administration in children with complicated nephrotic syndrome. - Okutsu, Mika; Kamei, Koichi; Sato, Mai; Kanamori, Toru; Nishi, Kentaro; Ishiwa, Sho; Ogura, Masao; Sako, Mayumi; Ito, Shuichi; Ishikura, Kenji (Pediatric Nephrology, 2021)