title: Letter to the editor on "Simultaneous bilateral knee arthroplasty in octogenarians: can it be safe and effective?".
authors.affiliation: Department of Orthopaedics, Indraprastha Apollo Hospitals, New Delhi, India.
authors.forename: Vipul
authors.initials: V
authors.lastname: Vijay
authors.affiliation: Department of Joint Replacement Surgery, Indraprastha Apollo Hospitals, New Delhi, India.
authors.forename: Raju
authors.initials: R
authors.lastname: Vaishya
mesh_terms: D019645:Arthroplasty, Replacement, Knee / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male