المؤلفون: O'Brien, Mary Ann
المصدر: New Zealand nursing journal, Mar 1979; v.72 n.3:p.3-4
المصدر: New Zealand nursing journal, Mar 1976; v.69 n.3:p.10-12
المصدر: New Zealand nursing journal, Apr 1977; v.70 n.4:p.28-29
المصدر: New Zealand nursing journal, Aug 1981; v.74 n.8:p.29-30