TY  - JOUR 
T1  - Roll-over test in primigravidae attending a public primary care service
JO  - Sao Paulo Medical Journal
A1  - Marcopito, Luiz Francisco
SN  - 1516-3180
UL  - 10.1590/S1516-31801997000500004
VL  - 115 
Y1  - 1997
PB  - Brasil 
ER  -