https://www.healthcentral.com/article/susphrine-the-asthma-wonder-drug-of-old
Asthma

Susphrine: The asthma wonder drug of old

    John Bottrell

    John Bottrell

    John Bottrell is a registered Respiratory Therapist. He wrote for HealthCentral as a health professional for Asthma and Chronic Obstructive Pulmonary Disease (COPD).