1. 1 B. Robson, Mana Whakamarama-Equal Explanatory Power: Maori and non-Maori sample size in national health surveys . Te Ropu Rangahau Hauora a Eru Pomare.Wellington: 2002 ; 1 -20 . Available at URL: http://www.adhb.govt.nz/rdo/equal.pdf
2. 5 Statistics New Zealand. Information About Births 2003.[cited 14 Feb 2003]. Available from: http://www.stats.govt.nz