ぞぞ 煽費亀 原徴 戚採歳 壕酔壱 赤嬢辞推...
Harrison 18th p.290拭 税馬檎
Although the mechanism of clubbing is unclear, it appears to be secondary to humoral substances that cause dilation of the vessels of the distal digits as well as growth factors released from unfragmented platelet precursors in the digital circulation.