1. Magnus R (1904) Versuche am überlebenden Dünndarm von Säugetieren. Pflugers Arch Physiol 102: 123
2. Hawkins DF, Schild HO (1951) The action of drugs on isolated human bronchial chains. Br J Pharmacol 6: 682–690
3. Department of Pharmacology, University of Edinburgh (1968) Pharmacological experiments on isolated preparations. Livingstone, Edinburgh
4. Castillo JC,de Beer EJ (1947) A tracheal chain. 1. A preparation for the study of antispasmodics with particular reference to bronchodilator drugs. J Pharmacol 90: 104–109
5. Akcasu A (1952) The actions of drugs on the isolated trachea. J Pharm Pharmacol 4: 671–676