Marked thrombocytopenia in a neonate is associated with anti-HPA-5b, anti-HLA-A31, and anti-HLA-B55 antibodies. - Okubo M; Nishida E; Watanabe A; Nishizaki N; Obinata K; Azuma F; Matsuhashi M; Watanabe-Okochi N; Tsuno NH; Miyake K; Yamaguchi M; Yoshida K; et al. (Pediatric blood & cancer, 2019)