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  1. pdfNLM Technical Bulletin, no.189-200 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/189-200-1985.pdf
    ... beyond the 30-day limit. The special training codes available for teaching MEDLINE to the health professional will ... file promotion via Hospital Satellite Network PDQUFS demonstration codes available extended hours revised manual available user guide available ...
  2. pdf45-56-1973.pdf 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/45-56-1973.pdf
    ... The Library Is prepared to make additional ID codes available as needed. Because of additional processing and billing ... services; 4) the desire to make specific ID codes available for direct use by users such as students, ...
  3. pdfNLM Technical Bulletin, no.117-128 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/117-128-1979.pdf
    ... get all messages. PROCEDURES - MSG (MESSAGE) COMMAND f \ CODES AVAILABLE: CAN (C.I.S.T.I., Canada) NLM (MKS, ... TO MMS. NLM HAS A LIMITED NUMBER OF CODES AVAILABLE FOR SHORT- TERM DEMONSTRATION PURPOSES. THESE CODES MAY ...
  4. pdf141-152-1981.pdf 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/141-152-1981.pdf
    ... your institution, remember that there are free DEMONSTRATION CODES available for that purpose. These codes are issued for ... be used. There are a limited number of codes available,so it is advisable to call four to ...
  5. pdfNLM Technical Bulletin, no.201-212 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/201-212-1986.pdf
    ... Alls PDQ deletion of file (on ELHILL) demonstration codes available extended hours LOGIN procedures, chart online NEWS promotion ... Human Services, input "expanded" or "Zip + 4" zip codes when available. These are the zip codes seen in business ...
  6. Code Systems and Tools 
    https://www.nlm.nih.gov/.../authorguidelines/code-systems.html
    ... VSAC Support Center Home Code Systems and Tools Available Code Systems in VSAC This table displays all of the available code systems currently supported by the Value Set Authority ...
  7. pdf213-224-1987.pdf 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/213-224-1987.pdf
    ... PCC see Poison Centrol Centers subfile PDQ demonstration codes available dose and schedule modification information enhancements, i.e., ... Guides for CHEMLINE, TOXLINE, and RTECS revised and available User ID Codes cancel MEDLARS access health professionals VADIC Modems Year- ...
  8. pdfNLM Technical Bulletin, November-December 1993 
    https://www.nlm.nih.gov/...nical_bulletin_november_december_1993.pdf
    ... one search statement at 1,165 citations. Practice codes available Alimited number of non-billed codes and passwords are available for searchers to practice the new continuous 10 ...
  9. pdfNLM Technical Bulletin, no.249-257 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/249-257-1990.pdf
    ... codes for online searching, NLM makes several special code programs available. They are described briefly below. 1. DEMONSTRATION CODES ... Individual students or educational institutions may apply. Student codes are available to individual students from undergraduate level through residency ...
  10. pdfNLM Technical Bulletin, no.177-188 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/177-188-1984.pdf
    ... MEDLARS. A. Transmission Code: Of the four transmission codes available -- BCD (Binary Coded Decimal), EBCDIC (Extended Binary Coded ... Interchange Code), Correspondence Code, and ASCII (American Standard Code for ... EBCDIC are available with IBM 2741-compatible terminals; however, they are ...
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