function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Annals of the Lyceum of Natural History of New York', 1],
    ['Biol. Cent. - Amer.', 1],
    ['Bulletin of the American Museum of Natural History', 2],
    ['Bulletin of the Buffalo Society of Natural Sciences', 1],
    ['Bulletin of the United States Bureau of Fisheries', 2],
    ['Bulletin of the United States Fish Commission', 1],
    ['Bulletin of the United States National Museum', 4],
    ['Journal of the Academy of Natural Sciences of Philadelphia', 12],
    ['Journal of the Academy of Natural Sciences of Philadelphia, Second Series', 1],
    ['Proceedings of the Academy of Natural Sciences of Philadelphia', 9],
    ['Proceedings of the American Philosophical Society', 5],
    ['Proceedings of the United States National Museum, 3', 3],
    ['The American Journal of Science and Arts, Series 2', 9],
    ['The Pacific', 2],
    ['United States Geological Survey West 100. Meridian v. 5, Zool.', 2],
    ['Other (7)', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=62)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerSource', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerSource'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerSource);