function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Parasitologica Polonica', 1],
    ['Bulletin de l\'Institut Francais d\'Afrique Noire, Série A, Sciences Naturelles', 1],
    ['Bulletin of the Department of Zoology University of the Panjab (New Series)', 1],
    ['Indian Journal of Helminthology', 3],
    ['Indian Journal of Parasitology', 3],
    ['Indian Journal of Veterinary Science', 2],
    ['International Journal for Parasitology', 1],
    ['Interscience Publications', 1],
    ['Japanese Journal of Zoology', 3],
    ['Memorias de la Sociedad Cubana de Historia Natural - Felipe Poey-', 4],
    ['Papers from the Tortugas Laboratory of the Carnegie Institute of Washington', 4],
    ['Proceedings of the Helminthological Society of Washington', 5],
    ['Satyû Yamaguti', 2],
    ['Science Publications', 2],
    ['Zoologischer Anzeiger', 2],
    ['Other (12)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=47)',
    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);