Were mystery holes in skulls an ancient aspirin?

Were mystery holes in skulls an ancient aspirin?, skulls and bone

Skull-drilling: The ancient roots of modern neurosurgery, skull

Were mystery holes in skulls an ancient aspirin?, skulls and bone

Skull-drilling: The ancient roots of modern neurosurgery, skull

The Skull Anatomy and Physiology I, skulls and bone

TREPANED HUMAN SKULL, crane humain

Skull-drilling: The ancient roots of modern neurosurgery, skull

TREPANED HUMAN SKULL, crane humain

Were mystery holes in skulls an ancient aspirin?, skull

Skull-drilling: The ancient roots of modern neurosurgery, skull