TY - JOUR AU - Kähler, C TI - Spicae aetheroleum in uncomplicated acute bronchitis: A double-blind, randomised clinical trial JO - Wien Med Wochenschr VL - 169 PY - 2019 DO - 10.1007/s10354-017-0612-0 L3 - PubMed-ID: 29209859 SP - 137 EP - 148 ER -