The actue toxic effect of heavy metal Cu ~ ( 2 + ) to Stentor Polymorphrus ( Ciliophora, Heterotrichida ) was studied.研究了重金属铜对异毛目纤毛虫多态喇叭虫 ( Stentor polymorphrus ) 的急性毒性影响....
At laparotomy, ileoileocolic intussusception led by an ileal polyp was found.剖腹探杳发现长段回肠-回肠-结肠型肠套叠,且肠套叠内层中有回肠肿瘤.Of the remaining 102 cases of intussusception, 57 had received the vaccine.剩下的102起中, 57起接受过该疫苗接种的.A four - mo...