alectrolytes.github.io/nlm-citation-machine.html at master · alectrolytes/alectrolytes.github.io · GitHub

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---
layout: default
title: Team Nexus - NLM Citation Machine
---

  <link rel="stylesheet" href="/css/citation.css"/>
  <meta name="description" content="Automagically generate an NLM citation using a PubMed ID or an ISBN."/>
</head>
<body>

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}(document, 'script', 'facebook-jssdk'));</script>

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  <div class="container">
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      Projects
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  <span class="fb-like" data-href="http://teamnex.us/nlm-citation-machine" data-layout="button_count" data-action="like" data-show-faces="false" data-share="false" style="vertical-align:top !important"></span>
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<!-- citation form -->
<div id="citation-container">
  <div id="nlm-description">
    <h2>NLM Citation Machine</h2>
    <p>Generate NLM style citations for articles in <a href="http://www.ncbi.nlm.nih.gov/pubmed">PubMed</a> and books in <a href="https://books.google.com">Google Books</a>.</p>
    <p>Enter PubMed ID or ISBN. Click generate. Simple.</p>
    <p>Useful references:</p>
    <ul>
      <li>DiPiro: 1259587495</li>
      <li>ACC/AHA Hypertension: 29146535</li>
      <li>AACE Diabetes: 25877012</li>
      <li>CHEST: 22315268</li>
      <li>ACC/AHA Cholesterol: 24239923</li>
      <li>NLA Dyslipidemia Part 1: 25911072</li>
      <li>Beer's Criteria: 26446832</li>
    </ul>
    <p>Recommendations for the website? Email me at: <a href="mailto:alec@teamnex.us">alec@teamnex.us</a></p>
  </div>
  <form id="citation-form">
    <div class="search-form row">
      <div class="form-group col-md-9">
        <input type="text" id="query" class="form-control" placeholder="Enter PubMed ID or ISBN here:">
      </div>
      <div class="col-md-3">
        <button type="button" id="generate-btn" class="btn" onclick="generateCitation()">Generate!</button>
      </div>
    </div>
    <textarea readonly id="citation" rows="5"></textarea>
  </form>
</div>

<script>
$('#citation-form').submit(function() {
  generateCitation();
  return false;
})

function Get(yourUrl){
  var Httpreq = new XMLHttpRequest();
  Httpreq.open("GET",yourUrl,false);
  Httpreq.send(null);
  return Httpreq.responseText;
}

function generateCitation() {
  var search = document.getElementById('query').value;

function isInteger(num) {
  return (num ^ 0) === num;
}

  // determines if input is ISBN or PubMedID
  if (isInteger(parseInt(search))) { // ISBN citation
    var search_length = search.length;
    if (search_length === 10 || search_length === 13) {
      // parse JSON into js object
      var json_obj = JSON.parse(Get('https://www.googleapis.com/books/v1/volumes?q=isbn:' + search));
      // isolate nested book object
      var book = json_obj.items[0].volumeInfo;
      // arrange author names
      var author_count = 0;
      var name_nlm = "";
      for (name in book.authors) {
        var name_array = book.authors[name].split(" ");
        // if (author_count < 3) {
          name_nlm = name_nlm.concat(name_array[name_array.length - 1] + ' ' + name_array[0].charAt(0));
        // } else if(author_count === 4){
        //   name_nlm = name_nlm.concat('et al');
        // }
        author_count++;
        if (author_count === book.authors.length) {
          name_nlm = name_nlm.concat('. ')
        } else if (author_count < book.authors.length) {
          name_nlm = name_nlm.concat(', ')
        }
      }
      // generate NLM book citation
      var citation = name_nlm +  book.title + '. ' + book.publisher + '; ' + book.publishedDate + '. ' + book.pageCount + ' p.';
    } else { // PubMed citation
      // parse JSON into js object
      var json_obj = JSON.parse(Get('https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esummary.fcgi?db=pubmed&retmode=json&rettype=abstract&id=' + search));
      // isolate nested article object
      var article = json_obj.result[search];
      // arrange author names
      var author_count = 0;
      var name_nlm = "";
      var next_author;
      for (name in article.authors) {
        name_nlm = name_nlm.concat(article.authors[name].name);
        if (article.authors[author_count].authtype === 'CollectiveName' && author_count+1 === article.authors.length) {
          name_nlm = name_nlm.concat(' ')
        } else if (article.authors[author_count].authtype !== 'CollectiveName' && author_count+1 === article.authors.length) {
          name_nlm = name_nlm.concat('. ')
        } else if (article.authors[author_count+1].authtype === 'CollectiveName') {
          name_nlm = name_nlm.concat('; ')
        } else {
          name_nlm = name_nlm.concat(', ')
        }
        author_count++;
      }
      // generate NLM article citation depending if volume and issue are variables
      var citation = name_nlm + article.title + ' ' + article.source + '. ' + article.pubdate;
      if (article.volume !== '') {
        citation += ';' + article.volume;
      }
      if (article.issue != '') {
        citation += '(' + article.issue + ')';
      }
      if (article.pages != '') {
        citation += ':' + article.pages;
      }
      citation += '.';
    }
  }

  // print citation
  // console.log(citation);
  document.getElementById('citation').value = citation;
}
</script>