A . 17.2%
B . 16.2%
C . 15.2%
D . 13.2%
E . 14.2%
[单选题]10~17岁青少年铁缺乏症的年发病率为A.17.2%B.16.2%C.15.2%D.13.2%E.14.2%
[单选题]10~17岁青少年IDA发病率为()A . 17.2%B . 16.2%C . 15.2%D . 13.2%E . 14.2%
[单选题]上海地区调查显示铁缺乏症的发病率在6个月~2岁婴幼儿为A.65.0%~72.5%B.45.0%~52.5%C.75.0%~82.5%D.55.0%~6
[单选题]上海地区调查显示铁缺乏症的发病率在6个月~2岁婴幼儿为()A . 65.0%~72.5%B . 45.0%~52.5%C . 75.0%~82.5%D . 55.0%~62.5%E . 85.0%~92.5%
[单选题]10~17岁青少年IDA患病率为()A . 9.8%B . 11.4%C . 19.7%D . 19.3%E . 33.8%~45.7%
[单选题]在青少年人群中弱视的发病率约为( )。A.1%~2%B.2%~3%C.2%~4%D.3%~4%E.4%~5%