High risk pregnancy : management options
David James
Elsevier Saunder, 2011
 Buku Teks SO
High risk pregnancy: management options
by David K. James ... [and others]
Saunders, 2006
 Buku Teks SO
Trester, Kenneth R.
Understanding ETF options : profitable strategies for diversified, low-risk investing
McGraw-Hill, 2012
 Buku Teks
Klaus, Marshall H.
Care of the high-risk neonate
W.B. Saunders, 2001
 Buku Teks SO
Knuppel, Robert A.
High-risk pregnancy: a team approach
W.B. Saunders , 1993
 Buku Teks SO