MEDEIROS, Marcelo
 andÂ
DINIZ, Debora. Recommendations for abortion surveys using the ballot-box technique. Ciênc. saúde coletiva [online].
2012,
vol.17, n.7, pp. 1721-1724.
ISSN 1413-8123.Â
http://dx.doi.org/10.1590/S1413-81232012000700010.
|
|
|
|