SHAKIR, Ahmed Wisam; AL-MOSAWI, Khatam M. Effect of Helfer skin tap technique on reducing pain in infants undergoing immunization. Adolescência e Saúde, [S. l.], v. 20, n. 4, p. 19–33, 2025. DOI: 10.67440/ahj.v20i4.337. Disponível em: https://adolescenciaesaude.com/index.php/aes/article/view/337. Acesso em: 2 sep. 2026.