(Q46207942)
Statements
1 reference
Effect of a transportation incentive on compliance with the first prenatal appointment: a randomized trial (English)
1 reference
Melnikow J
1 reference
Paliescheskey M
1 reference
Stewart GK
1 reference
1 June 1997
1 reference
89
1 reference
6
1 reference
1023-1027
1 reference