| Title : Poster: Interaction of quaternary anticholinergics with muscarinic receptors in bovine guinea pig and human airway smooth muscle - |
| Author(s) : Roffel AF , Elzinga CR , Beitman W , van Tintelen EJ , Zaagsma J |
| Ref : Trends in Pharmacological Sciences , Suppl :112 , 1989 |
| PubMedID: |