If appropriate play is encouraged, children can benefit by developing their self-esteem and learning. Child Initiated Play. Child led/Child Initiated/Self play/Free play. Adult- Led Play/ Structured Play. Activities that are carefully planned to develop a particular aspect and understanding or skill.
MRA - Manual of Regulatory Audits, All Acronyms, viewed April 6, 2017, <https://www.allacronyms.com/MRA/Manual_of_Regulatory_Audits>.
A special form of MRI called magnetic resonance angiography (MRA) is helpful to assess the vessels of the chest cavity (arteries and veins). MRA can also demonstrate an abnormal ballooning out of the wall of an artery (aneurysm) or a torn inner lining of an artery (dissection). See the MRA page for more information.