Frears, J., Hodgson, S., & Friedman, M. (1975). Effect of placebo substitution during long-term betamethasone valerate aerosol treatment in asthmatic children.
استشهاد بنمط شيكاغوFrears, J., S. Hodgson, و M. Friedman. Effect of Placebo Substitution During Long-term Betamethasone Valerate Aerosol Treatment in Asthmatic Children. 1975.
MLA استشهادFrears, J., S. Hodgson, و M. Friedman. Effect of Placebo Substitution During Long-term Betamethasone Valerate Aerosol Treatment in Asthmatic Children. 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.