Chalk (substance)
SCTID: 418016005, Primitive, Active
418016005 |Chalk (substance)|
2578125016 - Chalk (en) View
2574728016 - Chalk (substance) (en) View
Relationship (2848473024) - 418016005 -> 64276002 (116680003) View
Relationship (2848472025) - 418016005 -> 419028009 (116680003) View
Relationship (2848471021) - 418016005 -> 387307005 (116680003) View
387307005 View
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