A.90~110g/L B.110~130g/L C.130~150g/L D.150~220g/L E.230~260g/L
A.血小板量異常 B.血小板功能異常 C.凝血因子缺乏 D.抗凝物質增多 E.血管壁異常
A.2~3個月 B.4~6個月 C.6個月~2歲 D.3~6歲 E.6~12歲