function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Acta Herpetologica Sinica', 1],
    ['Allahabad University Studies,', 1],
    ['Annuario del Museo Zoologico della R. Università di Napoli (Nuova Serie)', 1],
    ['Assiut Veterinary Medical Journal', 1],
    ['Bull. Internat. Acad. Polon. Sc. et Lett., Cracovie. CI. Sc. Math, et Nat., s. В: Sc. Nat. (II)', 1],
    ['Bulletin de l\'Academie Polonaise des Sciences, Serie des Sciences Biologiques', 1],
    ['Bulletin of the Academy of Sciences Allahabad', 1],
    ['Indian Journal of Helminthology', 5],
    ['Journal of helminthology', 5],
    ['Parasitology', 2],
    ['Proceedings of the National Academy of Sciences of India Allahabad', 3],
    ['Research Bulletin of the Panjab University of Science (Zoology)', 5],
    ['Rivista di Parassitologia', 2],
    ['Zoological Magazine, Tokyo', 2],
    ['Zootaxa', 12],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=49)',
    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);