A. Duncan

发表

G. McKay, D. Kernaghan, A. Duncan, 2012, Obstetric medicine.

G. Scott, E. McGrady, K. Litchfield, 2014, International journal of obstetric anesthesia.

R. Bates, C. Helm, D. Edmonds, 1985, British journal of obstetrics and gynaecology.