略語大辞典 [Med] 7 HDN hemolytic disease of (the fetus and) the (胎児および)新生児溶血性疾患.hemolytic disease of (the fetus and) the newborn; or (L) MHN(morbus haemolyticus neonatorum) or MNH(morbus neonatorum haemolyticus); [Med]. 丸善「略語大辞典」JLogosID : 11876722