Lindelaan 99 2282 EP Rijswijk Netherlands Telefoon: +31 6 12316351 52.0521969,4.336837,13
praktijk@jhvdwaal.nl http://www.jhvdwaal.nl
1 daagse nascholing over homeoprophylaxis, Materia medica of vaccines and research gedoceerd door Dr. Isaac Golden in april 2013
1 daagse nascholing over dealing with aggravations, reatment of chronic diseases, especially autoimmune diseases and hormonal suppression, matridonal remedies gedoceerd door Kim Kalina in april 2013
