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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
The (w2) is at Step 3, the crown of the head at the top of the eyes; (w1) is the crown and represents the top of the eye opening, and (w2) is the bottom of the eye opening.
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