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patient (aspect of doctor) → HasPrerequisite → emergency care	0.51
patient (aspect of nurse) → HasPrerequisite → emergency care	0.51
severe asthma attack (subgroup of asthma) → HasPrerequisite → emergency care	0.43
stroke → HasPrerequisite → emergency care	0.42
symptom (aspect of child) → HasPrerequisite → emergency care	0.22