The mention of "MP4" and "(40)" typically refers to the attached to the paper:
Another related paper co-authored by A.J. Burns involves Fetal Cardiac MRI Using Doppler US Gating , which heavily uses video (MP4) captures of fetal heart movements [11]. 🛠️ How to Access the Full Paper Ajb (40) mp4
Published in Nature Communications or hosted on PMC (PubMed Central). 📂 Why "MP4" and "(40)"? The mention of "MP4" and "(40)" typically refers
Research papers in this field often include multiple MP4 files showing live-cell imaging or 3D reconstructions. Ajb (40) mp4
I can provide the exact PDF link or a more detailed summary. Which of these sounds most like the paper you need?