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Common types of blood serum sample errors
Customer complaint word cloud
A 3D rendered cartoon hand displays a thumbsdown gesture against a white background. The hand is light peach with a blue cuff, symbolizing disapproval or dislike.
Man holding red and white sheets of paper with word: COMPLAINT. Concept of complaints. Customer complaint, dissatisfaction from product or service problem, angry feedback from client.
Young girl holding her nose smelling something stinking moving her hand

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