TY - JOUR AU - Borowski, Cathrin TI - Schwarzes Brett SN - 1439-2283 SN - 1869-5507 PY - 2019 JF - ergopraxis LA - DE VL - 12 IS - 01 SP - 50 EP - 52 DA - 2019/01/04 PB - © Georg Thieme Verlag DO - 10.1055/a-0732-8943 UR - http://www.thieme-connect.de/products/ejournals/abstract/10.1055/a-0732-8943 ER -