TY - RPRT TI - PDMS-based microfluidic device with multi-height structures fabricated by single-step photolithography using printed circuit board as masters. AU - Cheuk-Wing Li AU - Chung Nam Cheung AU - Jun Yang AU - Chi Hung Tzang AU - Mengsu Yang PY - 2003 DO - 10.1039/b304354a UR - https://pubmed.ncbi.nlm.nih.gov/14529020/ ID - 14529020 ER -