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"Who is this transparent?" Godly Doctor Canaan seemed curious about the glass syringe and the metal needle.

"Similar to acupuncture, it's also stabbing into the skin."

"Do you need me to prick your acupoints?"

"There's no need. Generally, we choose intramuscular injection or intravenous injection." Tang Xuenan caressed the vein on the Godly Doctor Canaan's arm and pointed out the position