मुद्दा क्या है
ब्लड ग्रुप का निर्धारण
‘गोल्डन ब्लड‘ के नकारात्मक बिंदु
अन्य महतवपूर्ण बिंदु
(विज्ञानं प्रौद्योगिकी बीबीसी)
Pic courtesy:Vigyanam
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