Letter: Iatrogenic hip disease.
D005271:Femur Head Necrosis / Q000209:etiology; D006618:Hip Dislocation, Congenital / Q000601:surgery*; D006801:Humans; D007049:Iatrogenic Disease; D007223:Infant; D009985:Orthopedics / Q000009:adverse effects*; D013997:Time Factors