(2007). Comparative histological study of the cardiac sinu-atrial node in two different ages of ovine fetus. , 20(2), 118-124.

. "Comparative histological study of the cardiac sinu-atrial node in two different ages of ovine fetus". , 20, 2, 2007, 118-124.

(2007). 'Comparative histological study of the cardiac sinu-atrial node in two different ages of ovine fetus', , 20(2), pp. 118-124.

Comparative histological study of the cardiac sinu-atrial node in two different ages of ovine fetus. , 2007; 20(2): 118-124.