joslerや退院時サマリーの考察にご使用ください
↓使用例
pubmed reference 整形
// ==UserScript==
// @name         pubmed reference 整形
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://pubmed.ncbi.nlm.nih.gov/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=nih.gov
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
　　//必要な箇所の文字を抜き出す
    const publish = document.querySelector('#full-view-journal-trigger').innerText;
    const cit = document.querySelector('#full-view-heading > div.article-citation > div > span.cit').innerText;
    const doi = document.querySelector('#full-view-heading > div.article-citation > span.citation-doi').innerText;
    const title = document.querySelector('#full-view-heading > h1').innerText;
    const author_1 = document.querySelector('#full-view-heading > div.inline-authors > div > div > span:nth-child(1) > a').innerText;
    const author_2 = document.querySelector('#full-view-heading > div.inline-authors > div > div > span:nth-child(2) > a').innerText;
    //htmlを出力
    const markup = `
  <div id="bookinfo" style="background:#333;color:#36d184;padding:.5em;text-align:start;font-family:sans-serif;">
  ${author_1},${author_2},et al.${title}:${publish} ${cit} ${doi}
  </div>
  `
    //htmlを差し込み
    document.querySelector("#article-page").insertAdjacentHTML("beforebegin", markup);

})();