Sanna Heikkinen

Markku Koskenvuo2
Nea Malila2
2Markku Koskenvuo
2Nea Malila
2Janne Pitkäniemi
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Main aim was to estimate the association between use of exogenous hormones and breast cancer (BC) risk in a large population-based survey, and to assess the representativeness and overall validity of the data. The survey ‘Women’s Health and Use of Hormones’ was conducted in Finland in 2009, including 7,000 BC cases and 20,000 matched population controls.(More)
  • Sanna Heikkinen, Janne Pitkäniemi, Tytti Sarkeala, Nea Malila, Markku Koskenvuo, Sari Helena Räisänen
  • 2015
INTRODUCTION Role of hair dyes in the etiology of breast cancer has occasionally raised concern but previous research has concluded with mixed results. Remnants of prohibited aromatic amines have been found in many hair dye products, and elevated levels of DNA-adducts of these amines have been detected from breast epithelial cells of hair dye users.(More)
IT companies worldwide have started to improve their service management processes based on best practice frameworks, such as IT Infrastructure Library (ITIL). However, many of these companies face difficulties in demonstrating the positive outcomes of IT service management (ITSM) process improvement. This has led us to investigate the research problem: What(More)
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