Nicholson, J M Australian and New Zealand birth cohort studies: breadth, quality and contributions. [electronic resource] - Journal of paediatrics and child health Mar 2004 - 87-95 p. digital Publication Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't; Systematic Review ISSN: 1034-4810 Standard No.: 10.1111/j.1440-1754.2004.00327.x doi Subjects--Topical Terms: AustraliaChildChild, PreschoolCohort StudiesData Collection--methodsHumansInfantInfant, NewbornLongitudinal StudiesNew Zealand