APA

Chang A. B., Hills Y. C., Cox N. C., Cleghorn G. J., Valery P. C., Lewindon P. J., Ee L. C., Withers G. D., Beem C. & Hills B. A. (20060727). 'Free' surfactant in gastric aspirates and bronchoalveolar lavage in children with and without reflux oesophagitis. : Internal medicine journal.

Chicago

Chang A B, Hills Y C, Cox N C, Cleghorn G J, Valery P C, Lewindon P J, Ee L C, Withers G D, Beem C and Hills B A. 20060727. 'Free' surfactant in gastric aspirates and bronchoalveolar lavage in children with and without reflux oesophagitis. : Internal medicine journal.

Harvard

Chang A. B., Hills Y. C., Cox N. C., Cleghorn G. J., Valery P. C., Lewindon P. J., Ee L. C., Withers G. D., Beem C. and Hills B. A. (20060727). 'Free' surfactant in gastric aspirates and bronchoalveolar lavage in children with and without reflux oesophagitis. : Internal medicine journal.

MLA

Chang A B, Hills Y C, Cox N C, Cleghorn G J, Valery P C, Lewindon P J, Ee L C, Withers G D, Beem C and Hills B A. 'Free' surfactant in gastric aspirates and bronchoalveolar lavage in children with and without reflux oesophagitis. : Internal medicine journal. 20060727.