BibTex format
@article{Higgins:1987,
author = {Higgins, RM and Cookson, WO and Chadwick, GA},
journal = {Bull Eur Physiopathol Respir},
pages = {261--264},
title = {Changes in blood gas levels after nebuhaler and nebulizer administration of terbutaline in severe chronic airway obstruction.},
url = {https://www.ncbi.nlm.nih.gov/pubmed/3117150},
volume = {23},
year = {1987}
}