Cita APA

Blondal, T., Gudmundsson, L. J., Olafsdottir, I., Gustavsson, G., & Westin, A. (1999). Nicotine nasal spray with nicotine patch for smoking cessation: Randomised trial with six year follow up. BMJ Group.

Chicago Style Citation

Blondal, Thorsteinn, Larus Jon Gudmundsson, Ingileif Olafsdottir, Gunnar Gustavsson, i Ake Westin. Nicotine Nasal Spray With Nicotine Patch for Smoking Cessation: Randomised Trial With Six Year Follow Up. BMJ Group, 1999.

Cita MLA

Blondal, Thorsteinn, et al. Nicotine Nasal Spray With Nicotine Patch for Smoking Cessation: Randomised Trial With Six Year Follow Up. BMJ Group, 1999.