We studied the interinstrumental variability of the transcutaneous bilirubin meter (TcB) in 35 high risk neonates, using eight commercially available TcB instruments. Our study showed that commercially available TcB instruments were stable and had little interinstrumental variability for repeated TcB measurements at the forehead, chest, and sternum.
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Yamauchi et al. (1989) studied this question.
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