clutch release bearing sleeve
release bearing and sleeve assembly
sustained release and controlled release
131Ⅰ-KCIO4 release test
32P-chromic phosphate-poly (L-lactide) delayed-release particle
5-fluorouracil sustained-release
5-FU slowing-release microballoons
5-FU slow-release chemotherapeutic particles
5-FU slow-release seeds
absorb and release moisture
accelerated release in vitro