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The authors found that round lattice structures have compression strength similar to cortical bone , are not cytotoxic and induce osseous differentiation .
 engineering feature: round lattice structures; machanical property: compression strength; material: cortical bone; concept or principle: cytotoxic
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 engineering feature: round lattice structures; machanical property: compression strength; material: cortical bone; concept or principle: cytotoxic