APA Citation

Kauppi, P., Kupiainen, H., Lindqvist, A., Haahtela, T., & Laitinen, T. (2014). Long-term smoking increases the need for acute care among asthma patients: A case control study. BioMed Central.

Chicago Style Citation

Kauppi, Paula, Henna Kupiainen, Ari Lindqvist, Tari Haahtela, and Tarja Laitinen. Long-term Smoking Increases the Need for Acute Care Among Asthma Patients: A Case Control Study. BioMed Central, 2014.

MLA Citation

Kauppi, Paula, et al. Long-term Smoking Increases the Need for Acute Care Among Asthma Patients: A Case Control Study. BioMed Central, 2014.

Warning: These citations may not always be 100% accurate.