{"version":"1.0","provider_name":"Uitgeverij Van Oorschot","provider_url":"https:\/\/www.vanoorschot.nl\/en\/","author_name":"joost","author_url":"https:\/\/www.vanoorschot.nl\/en\/author\/joost\/","title":"Brief nr. 4 &#183; Uitgeverij Van Oorschot","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"fDNONvfql8\"><a href=\"https:\/\/www.vanoorschot.nl\/en\/dbnl\/brief-nr-4\/\">Brief nr. 4<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.vanoorschot.nl\/en\/dbnl\/brief-nr-4\/embed\/#?secret=fDNONvfql8\" width=\"600\" height=\"338\" title=\"&#8220;Brief nr. 4&#8221; &#8212; Uitgeverij Van Oorschot\" data-secret=\"fDNONvfql8\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.vanoorschot.nl\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"[p. 743] Yvo Pannekoek Brieven uit India In februari 1975 was ik, als een van 40 speciale epidemiologen, drie maanden in India om mede te helpen daar de pokken uit te roeien. Dit verblijf had een vrij lange voorgeschiedenis. Al omstreeks 1948 werkte ik geboeid met het pokkenvirus, en om mijn kennis wat uit te..."}