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Long bone Radiograph showing “lead lines” shown as increased density on the metaphysis growth plate. a Hands—of the proximal segments of phalanges and distal segments of ulna and radius in a 5 year old male with radiological growth retardation and blood lead level of 37.7 µg/dl. b Knees—especially in the femur in 3 year 2 month old female with blood lead level of 10.6 µg/dl [10]
