«1978: First 'test tube baby' born». BBC, 25-07-1978 [Consulta: 13 juny 2009]. «The birth of the world's first "test tube baby" has been announced in Manchester (England). Louise Brown was born shortly before midnight in Oldham and District General Hospital»
Moreton, Cole «World's first test-tube baby Louise Brown has a child of her own». Independent [Londres], 14-01-2007 [Consulta: 22 maig 2010]. «The 28-year-old, whose pioneering conception by in-vitro fertilisation made her famous around the world.. The fertility specialists Patrick Steptoe and Bob Edwards became the first to successfully carry out IVF by extracting an egg, impregnating it with sperm and planting the resulting embryo back into the mother»
