A cheap 'glass' spine.
Birkinshaw
K
K
D000775:Anesthesia, Spinal; D000776:Anesthesiology / Q000193:education*; D000779:Anesthetics, Local / Q000134:cerebrospinal fluid*; D006801:Humans; D013131:Spine; D013664:Teaching Materials
D000779:Anesthetics, Local