Distinct gastric phenotype in patients with pathogenic variants in SMAD4: A nationwide cross-sectional study oleh Anne Marie Jelsig, Niels Qvist, Birgitte Bertelsen, Lise-Lotte Christensen, Hanne Grossjohan, Charlotte Kvist Lautrup, Lone Sunde, Pernille Mathiesen Tørring, Ken Ljungman, Louise Torp Christensen, John Gásdal Karstensen