Digital droplet PCR for detection of SMN1 deletion in low-concentration fragmented cell-free DNA: a proof of concept study​Erhan Parıltay Özge Güngör Zeki Sakallı Mert Gürgün a School of Medicine Medical Genetics, EGE University, Izmir, Turkeyb Knightbridge International School, Tivat, Montenegroon February 19, 2026 at 2:23 am