| Trial name or title | Not stated. |
| Methods | Randomised clinical trial. |
| Participants | Pregnant women smoking at least 1 cigarette each day attending 4 clinics in Madrid, Spain |
| Interventions | Brief counselling (3 to 5 minutes) on smoking cessation compared with a group intervention over 3 half-hour sessions |
| Outcomes | Not clear. |
| Starting date | Not clear. |
| Contact information | meliton65@eresmas.com No response from authors to written request for further trial information on 18/7/2012 |
| Notes | Original article in Spanish. Study report (2004) describes the study design. No papers including results have yet been identified |
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