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  1. Alphabetical List of Unprocessed Collections, 1997-2024 - Archives and Modern Manuscripts 
    https://www.nlm.nih.gov/hmd/manuscripts/accessions.html
    ... respiratory and multifactorial carcinogenesis, mechanisms of inhibition by vitamin A, and the role of growth factors in the ...
  2. NLM Classification, 5th Edition, Additions and Changes, List 2. NLM Technical Bulletin. Nov-Dec 1997 
    https://www.nlm.nih.gov/pubs/techbull/nd97/nd97_class.html
    ... QU 110 As a coloring agent WA 712 Vitamin A related QU 167 Bioreactors TP 248.25.B55 ...
  3. pdfNLM Technical Bulletin, no.69-80 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/69-80-1975.pdf
    ... aids in the teaching of nursing (The) B VITAMINS in pregnancy and oral contraception BIRTH WEIGHT (Low) ... drug therapy CLASSIFICATIONS Nomenclatures, subject headings and COLD Vitamin C and the common COMMON cold Vitamin C ...
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