When the disease is at the latent stage it is almost impossible to determine its existence by-
A. a thorough examination
B. mere observation
C. a scrutiny
D. a rigorous checkup
DUUnit-Bইংরেজি - গ্রামার ও ভোকাবুলারিপুরাতন/বহির্ভুত সিলেবাস/লিখিতDU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
mere observation
Explanation:
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