• https://www.usccb.org/resources/The%20Real%20Presence%20of%20Jesus%20Christ%20in%20the%20Sacrament%20of%20the%20Eucharist_0.pdf
• https://www.usccb.org/prayer-and-worship/the-mass/order-of-mass/liturgy-of-the-eucharist/the-real-presence-faqs