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  1. pdf2018MeShTreeHierarchy.pdf 
    https://www.nlm.nih.gov/mesh/2018/download/2018MeShTreeHierarchy.pdf
    ... N06.230.520...........................................Rain N06.230.520.050...........................................Acid ... Safety ...
  2. pdf2017MeshTreesWithChangesShown.pdf 
    https://www.nlm.nih.gov/.../2017MeshTreesWithChangesShown.pdf
    ... N06.230.520 Rain - N06.230.520.050 Acid Rain - N06.230.600 Soil - N06.230.600.500 ... - N06.850.135.060.075 Safety - N06.850.135.060.075.199 Chemical Safety - ...
  3. pdf2016MeshTree.pdf 
    https://www.nlm.nih.gov/mesh/2016/download/2016MeshTree.pdf
    ... N06.230.520...........................................Rain N06.230.520.050...........................................Acid ... Safety ...
  4. pdfNLM Technical Bulletin, November-December 1996 
    https://www.nlm.nih.gov/...nical_bulletin_november_december_1996.pdf
    ... 7, in the September-October 1996 Technical Bulletin . Acids, Singular and Plural For the following three terms, MeSH Headings exist for the acids in both the singular and plural forms. The ...
  5. pdfNLM Technical Bulletin, no.117-128 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/117-128-1979.pdf
    ... 79 ICRDB CANCERGRAH. MOLECULAR BIOLOGY. PROTEINS, POLYPEPTIDES, MONO ACIDS DEC. 1978— U.S. DHEU NATIONAL CANCER IKSmUTE HTISUB ; ... 1. The chemistry of the genetic material: NUCLEIC ACID PRECURSORS NUCLEIC ACIDS DNA DNA, BACTERIAL DNA, CIRCULAR ...
  6. pdfNLM Technical Bulletin, no.201-212 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/201-212-1986.pdf
    ... IN PART TO THE ACCUM OF LACTIC & CITRIC ACIDS, & HYPOGLYCEMIA. /IRON/ [PATTY. INDUS HYG & TOX 3RD ED ... 4 (7/1/83)] HSN - 188 NAME - ADIPIC ACID WSTD - Designated as a hazardous substance under section ...
  7. pdfNLM Annual Report of Programs and Services, 1988 
    https://www.nlm.nih.gov/.../nlmarchives/annualreport/1988.pdf
    ... encouraging the publication of current biomedical literature on acid-free paper. Following a hearing on the use of permanent, acid-free paper in January 1987, the Board established ...
  8. pdfNLM Annual Report of Programs and Services, 1991 
    https://www.nlm.nih.gov/.../nlmarchives/annualreport/1991.pdf
    ... encourage medical publishers to issue their works on acid-free ("permanent") paper is described in the Special ... the dete- rioration of paper caused by residual acids it contains. Without expensive efforts at preservation, the ...
  9. pdfNLM Annual Report of Programs and Services, 1992 
    https://www.nlm.nih.gov/.../nlmarchives/annualreport/1992.pdf
    ... research instituteto provide network-based searching of nucleic acid and protein sequence databases, and exchangeof magnetic resonance ... occurrence of contiguouscharacters due to bleedthrough. Also, amino acid sequences printed in biotechnologyjournals were scanned and converted ...
  10. pdfNational Library of Medicine Programs and Services FY2013 
    https://www.nlm.nih.gov/ocpl/anreports/fy2013.pdf
    ... DNA into the 20-letter alphabet of amino acids, the building blocks of proteins. For the longer ... Probe database is a public registry of nucleic acid reagents designed for a wide variety of applications, ...
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