title: Each Nuclear Cardiology lab should have its own lower limit of normal for functional parameters: True or False?
authors.affiliation: Cardiology, Alexandria University, Alexandria, Egypt.
authors.forename: Ahmed
authors.initials: A
authors.lastname: Aaty
authors.affiliation: Faculty of Medicine, Critical Care Medicine, Cairo University Kasr Alainy, Cairo, Egypt.
authors.forename: Alia Abd
authors.initials: AA
authors.lastname: Al Fattah
authors.affiliation: Cardiology, Faculty of Medicine, Al-Azhar University, Cairo, Egypt. aallamegy@netscape.net.
authors.forename: Adel Hassan
authors.initials: AH
authors.lastname: Allam
mesh_terms: D002309:Cardiology; D006352:Heart Ventricles; D007843:Latin America; D055414:Myocardial Perfusion Imaging; D015899:Tomography, Emission-Computed, Single-Photon