প্রশ্ন ও উত্তর
----- discovery of insulin, it was not possible to treat diabetes.
English Meaning 30 Sep, 2020
প্রশ্ন ----- discovery of insulin, it was not possible to treat diabetes.
সঠিক উত্তর
Prior to the
প্রশ্ন ----- discovery of insulin, it was not possible to treat diabetes.
মন্তব্য
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