The Need for Prenatal Care in the United States: Evidence from the 1980 National Natality Survey
2000 ◽
Vol 51
(12)
◽
pp. 1723-1739
◽
1993 ◽
Vol 83
(1)
◽
pp. 31-36
◽
2005 ◽
Vol 19
(4)
◽
pp. 247-252
◽
2013 ◽
Vol 29
(5)
◽
pp. 911-927
◽
Keyword(s):
Keyword(s):
Keyword(s):