title: Nonsignificant P values cannot prove null hypothesis: Absence of evidence is not evidence of absence.
authors.affiliation: Department of Pharmacology, Government Medical College, Surat, Gujarat, India. E-mail:  drjaykaran@yahoo.co.in.
authors.lastname: Jaykaran
authors.forename: Deepak
authors.initials: D
authors.lastname: Saxena
authors.forename: Preeti
authors.initials: P
authors.lastname: Yadav
authors.forename: N D
authors.initials: ND
authors.lastname: Kantharia