title: Letter to the Editor: Beta-blocker therapy.
authors.affiliation: All India Institute of Medical Sciences, New Delhi, India.
authors.forename: Ambuj
authors.initials: A
authors.lastname: Kumar
authors.affiliation: All India Institute of Medical Sciences, New Delhi, India.
authors.forename: Amandeep
authors.initials: A
authors.lastname: Kumar
authors.affiliation: All India Institute of Medical Sciences, New Delhi, India.
authors.forename: Pankaj Kumar
authors.initials: PK
authors.lastname: Singh
authors.affiliation: All India Institute of Medical Sciences, New Delhi, India.
authors.forename: Shashwat
authors.initials: S
authors.lastname: Mishra
authors.affiliation: All India Institute of Medical Sciences, New Delhi, India.
authors.forename: Kanwaljeet
authors.initials: K
authors.lastname: Garg
authors.affiliation: All India Institute of Medical Sciences, New Delhi, India.
authors.forename: Bhawani S
authors.initials: BS
authors.lastname: Sharma
mesh_terms: D000319:Adrenergic beta-Antagonists; D015331:Cohort Studies; D006801:Humans; D013345:Subarachnoid Hemorrhage
chemical_list: D000319:Adrenergic beta-Antagonists