Biology · Circulatory System
निम्नलिखित में से किसने सबसे पहले ABO रक्त समूहों की खोज की थी?
- 1एंटोनी वैन लीवेनहुक
- 2पॉल एर्लिच
- 3कार्ल लैंडस्टाइनर✓
- 4रॉबर्ट कोच
सही उत्तर देखें
कार्ल लैंडस्टाइनर
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