Model, Aragonite Crystal, is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3, It is formed by biological and physical processes, includes 44 1 inch balls,
Replacement Standard LOR Kit (2) for epidural and spinal injection trainer, Replacement LOR kit, consisting of 2 loss-of-resistance inserts and 2 spinal tubes, long-lasting, very easy to change, Weight: 1.4 kg
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