64624-0
How old were you when you began using oral contraceptives [PhenX]
- LOINC
- 64624-0
- Component
- How old were you when you began using oral contraceptives
- System (specimen)
- ^Patient
- Property
- Time
- Scale
- Qn
- Method
- PhenX
- Class
- PHENX
- Status
- TRIAL