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(A). SROC curve for AFP in 20–100 ng/mL. (B). SROC curve for AFP in 200 ng/mL. (C). SROC curve for AFP in 400 ng/mL. (D) SROC curve for AFP in 20–100 ng/mL combined with ultrasound. (E) SROC curve for AFP in 200 ng/mL combined with ultrasound. (F) SROC curve for AFP in 400 ng/mL combined with ultrasound.
