References in periodicals archive ?
Percutaneous umbilical blood sampling (PUBS) performed with ultrasound guidance is reliable for this, and the microvolume specimens obtained by this technique are readily analyzed by modern clinical chemistry analyzers to perform complete biochemical profiles with small blood volumes.
Invasive prenatal procedures: amniocentesis, CVS, percutaneous umbilical blood sampling (PUBS).
Performing percutaneous umbilical blood sampling (PUBS) before labor.

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