General Science · Medical Discoveries
1816 में स्टेथोस्कोप का आविष्कार किसने किया था?
- 1विलियम हार्वे
- 2रेने लेनेक✓
- 3एडवर्ड जेनर
- 4जोसेफ लिस्टर
सही उत्तर देखें
रेने लेनेक
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