WARRELL D. ., COX T. ., . (2003). OXFORD TEXT BOOK OF MEDICINE VOL-2 SECT. 11-17. NULL: OXFORD UNIVERSITY PRESS.
WARRELL D, COX T, . 2003. OXFORD TEXT BOOK OF MEDICINE VOL-2 SECT. 11-17. NULL: OXFORD UNIVERSITY PRESS.
WARRELL D, COX T, . OXFORD TEXT BOOK OF MEDICINE VOL-2 SECT. 11-17. NULL: OXFORD UNIVERSITY PRESS. 2003.