Gopichandran, V Psycho-socio-economic stress as a risk factor for preterm labour: a community-based, case-control study from rural South India. [electronic resource] - The National medical journal of India - 184-5 p. digital Publication Type: Letter ISSN: 0970-258X Subjects--Topical Terms: AdultCase-Control StudiesFemaleHumansIndiaObstetric Labor, Premature--etiologyPregnancyPregnancy OutcomeRisk FactorsSocioeconomic FactorsStress, Psychological--complications