@misc{indiciaea1051313c682, title = {A study comparing Pro-Vent and phyllocontin in stable asthmatics.}, author = {N Sivananthan and D Kana and M D Winson and K N Roberts}, year = {1988}, url = {https://pubmed.ncbi.nlm.nih.gov/3076785/}, note = {Source identifier: 3076785} }