title: Reply to: Prevalence of immediate vasovagal reaction in blood donors visiting two blood banks of Karachi.
authors.forename: N
authors.initials: N
authors.lastname: Agarwal
authors.forename: D
authors.initials: D
authors.lastname: Sachan
authors.forename: A
authors.initials: A
authors.lastname: Verma
mesh_terms: D001771:Blood Banks; D001782:Blood Donors; D006801:Humans; D010154:Pakistan; D017410:Practice Guidelines as Topic; D015995:Prevalence; D019462:Syncope, Vasovagal / Q000209:etiology*