Bing found the following results
  1. Magnesium Test - Testing.com

  2. Magnesium Blood Test: MedlinePlus Medical Test

  3. What Is a Magnesium Test? - WebMD

  4. Magnesium Blood Test: Purpose, Symptoms, Results - Verywell …

  5. Serum Magnesium Test: Purpose, Risks, and Results - Healthline

  6. Magnesium (Mg) Test Test Information - ColumbiaDoctors

  7. Magnesium blood test - UCSF Health

  8. Magnesium (Mg) Test | Kaiser Permanente

  9. Magnesium blood test Information | Mount Sinai - New York

  10. Magnesium test - NHS