A pediatric echocardiographic Z-score nomogram for a developing country: Indian pediatric echocardiography study - The Z-score - Rajendra Kumar Gokhroo; Avinash Anantharaj; Devendra Bisht; Kamal Kishor; Nishad Plakkal; Nivedita Mondal (Wolters Kluwer Medknow Publications, 2018)