H, L., O, A., I, R., M, S., & OPO, N. (2025). Prevalence and predisposing factors of retained drug needle fragments in people who inject drugs: A protocol for a preliminary cross-sectional multicentre observational study in Finland. BMJ open, 15(8), e099521. https://doi.org/10.1136/bmjopen-2025-099521
Chicago Style (17th ed.) CitationH, Laukkala, Arponen O, Rinta-Kiikka I, Sumanen M, and Nevalainen OPO. "Prevalence and Predisposing Factors of Retained Drug Needle Fragments in People Who Inject Drugs: A Protocol for a Preliminary Cross-sectional Multicentre Observational Study in Finland." BMJ Open 15, no. 8 (2025): e099521. https://doi.org/10.1136/bmjopen-2025-099521.
MLA (9th ed.) CitationH, Laukkala, et al. "Prevalence and Predisposing Factors of Retained Drug Needle Fragments in People Who Inject Drugs: A Protocol for a Preliminary Cross-sectional Multicentre Observational Study in Finland." BMJ Open, vol. 15, no. 8, 2025, p. e099521, https://doi.org/10.1136/bmjopen-2025-099521.