TY - Journal of Integrative Medicine A1 - Arndt Büssing, Thomas Ostermann, Peter Heusser, Peter F. Matthiessen T1 - Usage of alternative medical systems,acupuncture, homeopathy and anthroposophic medicine, by older German adults Y1 - 2011-08-20 JF - Journal of Integrative Medicine JO - Journal of Integrative Medicine SP - 847 EP - 856 VL - 9 IS - 8 UR - http://www.jcimjournal.com N1 - 10.3736/jcim20110806 ER -