SQL Error: MySQL Query Error select * from `doctorinfo` where `shanchangIds` like '%,778%' limit 0,18SQL Error: MySQL Query Error SELECT id,name FROM `doctorinfo` WHERE (`id` IN (91460,98604,107147,111024,117402,117562,117563,117567,117569,117609,117612,117613,117614,117616,117617,117620,117621,117623,117624,117637,117639,117655,117690,117697,117698,118768,118852,118853,118858,118859,119002,119022,119057,119160,119178,119182,119644,119651,119655,119656,119657,119658,119660,119662,119663,119664,119666,119668,119670,119671,119674,119675,119677,119678,119679,119680,119681,119682,119701,119712,119714,119715,119716,119718,119719,119723,119727,119732,140931,142183,146985,150664,201008,240318,244777,246315,248252,251575,254363,259277,262782,262790,262938,263149,263151,263152,263153,263154,263155,263156,263157,263158,263159,263162,263163,263164,263166,263167,263168,263169,263171,263172,263173,263174,263177,263178,263179,263180,263182,263184,263185,263187,263189,263190,263229,263230,263231,263232,263233,264574,277492,278666,295467,306841,307729,311561,311562,312088,314299)) limit 0,18耗时0秒 耗时0秒 耗时0秒 耗时0秒
维生素A缺乏症(vitamin A deficiency)是因体内缺乏维生素A而引起的以眼和皮肤病变为主的全身性疾病,患者以婴幼儿为主,常和营养不良并存,伴随蛋白质-能量营养不良等。 维生素A在体内具有多种重要功能。它对视网膜的功能起着重要的作用,对上皮组织的生长和分化显然是必需的,同时也为骨生长、生殖和胚胎发育所需要。它还对各种细胞膜具有稳定的作用。从而对膜的通透性起调节作用。 维生素A的功能是通过不同的分子形式实现的。对于视觉起作用的是视黄醛。对生殖过程起作用的为视黄醇,而视黄酸或一种代谢产物则对其他功能具有重要性。