A.3個(gè)月 B.2個(gè)月 C.10個(gè)月 D.12個(gè)月 E.15個(gè)月
A.皮質(zhì)上中樞興奮性低 B.皮質(zhì)上中樞興奮性高 C.皮質(zhì)下中樞興奮性低 D.皮質(zhì)上中樞興奮性低,皮質(zhì)下中樞興奮性高 E.皮質(zhì)下中樞興奮性高
A.外胚層發(fā)育不良 B.佝僂病 C.甲狀腺功能減低 D.黏多糖 E.軟骨發(fā)育不全