RT Journal Article SR Electronic T1 The effect of breast milk and lanolin on sore nipples JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 570 OP 571 VO 27 IS 4 A1 Ralph L. Hagen A1 Ashraf Mohammadzadeh YR 2006 UL http://smj.org.sa/content/27/4/570.abstract AB