APA

Zhang X., Zhang H., Lyu Y., Wang L. & Yang Z. (20190711). [Clinical effect and safety of different maintenance doses of caffeine citrate in treatment of apnea in very low birth weight preterm infants: a prospective randomized controlled trial]. : Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics.

Chicago

Zhang Xiao, Zhang Hai-Tao, Lyu Yong, Wang Li-Feng and Yang Zhen-Ying. 20190711. [Clinical effect and safety of different maintenance doses of caffeine citrate in treatment of apnea in very low birth weight preterm infants: a prospective randomized controlled trial]. : Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics.

Harvard

Zhang X., Zhang H., Lyu Y., Wang L. and Yang Z. (20190711). [Clinical effect and safety of different maintenance doses of caffeine citrate in treatment of apnea in very low birth weight preterm infants: a prospective randomized controlled trial]. : Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics.

MLA

Zhang Xiao, Zhang Hai-Tao, Lyu Yong, Wang Li-Feng and Yang Zhen-Ying. [Clinical effect and safety of different maintenance doses of caffeine citrate in treatment of apnea in very low birth weight preterm infants: a prospective randomized controlled trial]. : Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics. 20190711.