1. Das SK: Harmful health effects of cigarette smoking. Mol Cell Biochem. 2003, 253 (1–2): 159-165. 10.1023/A:1026024829294.
2. Alberman E: Are our babies becoming bigger?. J R Soc Med. 1991, 84 (5): 257-260.
3. Behrman RE, Butler AS: Preterm Birth: Causes, Consequences, and Prevention Institute of Medicine Committee on Understanding Premature, Birth Assuring Healthy, Outcomes The National Academies Collection: Reports funded by National Institutes of Health. 2007, National Academies Press (US), Washington (DC)
4. World Health Organization: Tobacco smoke and involuntary smoking. IARC Monogr Eval Carcinog Risks Hum 2004, 83:1-1438.,
5. Office on S, Health: Publications and Reports of the Surgeon General. The Health Consequences of Involuntary Exposure to Tobacco Smoke: A Report of the Surgeon General. 2006, Centers for Disease Control and Prevention (US), Atlanta (GA)