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Child Development|December 1, 1980
The development of perception and recognition of objectsH A Ruff
Child Development|June 1, 1978
Infant recognition of the invariant form of objectsH A Ruff
Lancet (London, England)|January 28, 1989
Ciguatera in the Pacific: a link with military activitiesT A Ruff
Reviews in Medical Virology|July 1, 1999
Immunisation strategies for viral diseases in developing countriesT A Ruff
Perceptual and Motor Skills|October 1, 1976
Developmental changes in the infants attention to pattern detailH A Ruff
The Medical Journal of Australia|July 1, 1996
Managing HIV. Part 6: People living with HIV. 6.7 Travellers with HIVT A Ruff
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