Visual acuity chart (physical object)
SCTID: 421763006, Primitive, Active
421763006 |Visual acuity chart (physical object)|
2618454017 - Visual acuity chart (en) View
2615771016 - Visual acuity chart (physical object) (en) View
Relationship (2947082020) - 421763006 -> 303477006 (116680003) View
Relationship (5988737025) - 421763006 -> 400912000 (116680003) View
400912000 View
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