Description of Hemoglobin Levels in Prospective Donors Over 46 Years Old at UDD PMI Jepara Regency. Jar. Lab. Med. [Internet]. 2024 May 1 [cited 2025 May 18];6(1):70-7. Available from: https://analis.poltekkes-smg.net/journal/index.php/jlm/article/view/136