Science2018Canadahigh confidence

A randomized clinical trial published in CMAJ on April 3, 2018, evaluated smartphone-based photoplethysmography to assess ulnar artery patency, with Pietro Di Santo as an author.

Notes on verification

Confirmed by the CMAJ journal page, PubMed listing, and independent TCTMD news coverage, all corroborating publication date, authorship, and study details. [tier=gold indep_score=0.867 clusters=3 claim_tier=notable]

Sources