function drawChartTreatmentsPerSource() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['ASB (Association of Southeastern Biologists) Bulletin', 1],
    ['Allgemeine Encyclopädie der Wissenschaften und Künste (Ersch u. Gruber), 1. Sect.,', 1],
    ['Atti della Società Toscana di Scienze Naturali, Residente in Pisa, Memorie', 1],
    ['Bull. Internat. Acad. Polon. Sc. et Lett., Cracovie. CI. Sc. Math, et Nat., s. В: Sc. Nat. (II)', 1],
    ['Fujian Shida Xuebao', 1],
    ['Indian Journal of Helminthology', 1],
    ['Japanese Journal of Zoology', 2],
    ['Journal of Parasitology', 6],
    ['Journal of helminthology', 1],
    ['Medico-Chirurgical Transactions', 1],
    ['Parasitology International', 1],
    ['Philippine Journal of Science', 1],
    ['Proceedings of the Helminthological Society of Washington', 1],
    ['Rendiconto dell\'Accademia delle Scienze Fisiche e Matematiche', 1],
    ['Rozprawy Wydzialu Matematyczno-Przyrodniczego Polskiej Akademii Umiejetnosci, Dzial B, Krakow. Seria III', 1],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Journal (n=27)',
    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);