There are multiple definitions:

1. National Health Service(English)

   • in UK
   • NIH, NSF
   • Health care, Organizations (governmental)
   • https://www.nhs.uk/

2. Nederlandse Hartstichting(Dutch)

   • NHV, AHA, RSC
   • Cardiology, Charity
   • https://www.hartstichting.nl/

3. newborn hearing screening(English)

   • TNHS, UNHS, AABR, ATF, ECR, HL, IPOG, PCEHL, PHL, OAE, TPP, IKKNHS, SFOAE
   • Auditory system, Neonatology, Screening
   • https://doi.org…orl.2008.12.006
   • https://doi.org…55/2022/1977184

4. Nurses' Health Study(English)

   • cohort to examine the association between plasma sex hormone concentrations and postmenopausal breast cancer among women using PMH at blood collection
   • PMH
   • Nurse / nursing, Hormone, Risk factor, Mammary gland
   • https://doi.org…093/jnci/dji099

5. naked hair shaft(English)

   • free-floating hair shaft devoid of surrounding epithelium, supporting structures, and/or embedded in inflammation that may result from destruction of hair follicles by scarring processes such as inflammation and fibroplasia
   • AGA, DP, EDD, MEDD, PCA, TTA
   • Dermatology
   • https://doi.org…000000000001075

6. normal human serum(English)

   • PCa, PSA, TAA
   • Prostate, Biomarker
   • https://doi.org…oncotarget.9869

7. non-headache symptoms(English)

   • of migraine are important factors causing disability of the disease
   • DA, HP, PP, PRL, RP
   • Disability, Headache
   • https://doi.org…54.2021.1881091