Serum theophylline concentrations are not affected by coadministration of doxycycline.

MLA

Seggev, J. S., et al. “Serum Theophylline Concentrations Are Not Affected by Coadministration of Doxycycline.” Annals of Allergy, vol. 56, no. 2, Feb. 1986, pp. 156–57. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=3946849&authtype=sso&custid=ns315887.

APA

Seggev, J. S., Shefi, M., Schey, G., & Farfel, Z. (1986). Serum theophylline concentrations are not affected by coadministration of doxycycline. Annals of Allergy, 56(2), 156–157.

Chicago

Seggev, J S, M Shefi, G Schey, and Z Farfel. 1986. “Serum Theophylline Concentrations Are Not Affected by Coadministration of Doxycycline.” Annals of Allergy 56 (2): 156–57. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=3946849&authtype=sso&custid=ns315887.