There could be other, the chest pain that the study participants may report as heart attack, may actually have been may be due to other causes and that is reported as heart attack
छातीत दुखण्यासाठी इतरही असू कारणे असू शकतात, ज्याची नोंद सहभागी ह्रदयविकाराचा झटका म्हणून नोंदवू शकतात.