_:n469ecde051a24acf9c91b0732af6c93dxb5
<http://schema.org/address>
_:n469ecde051a24acf9c91b0732af6c93dxb6
<https://education.baystatehealth.org/2019-basic-cardiac-dysrhythmias/content/class-1-nov-ap-sinus-rhythms>