SUYUDI, Imam; UTOMO, Yusron Adi; ARIANTOKO, Imam; RITNA, Mega. PENGARUH VARIASI FOCUS FILM DISTANCE (FFD) TERHADAP CARDIOTHORACIC RATIO (CTR) DAN SIGNAL-TO-NOISE RATIO (SNR). Jurnal Kesehatan, [S. l.], v. 15, n. 2, p. 123–129, 2025. DOI: 10.38165/jk.v15i2.449. Disponível em: https://e-journal.pts-stikescirebon.ac.id/index.php/kesehatan/article/view/449. Acesso em: 13 jun. 2026.