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Premature Births in California Sea Lions: Association with High Organochlorine Pollutant Residue Levels
Robert L. DeLong, William G. Gilmartin and John G. Simpson
New Series, Vol. 181, No. 4105 (Sep. 21, 1973), pp. 1168-1170
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1736551
Page Count: 3
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Premature pupping in California sea lions has been noted on the breeding islands since 1968. Organochlorine pesticides and polychlorinated biphenyl residues were two to eight times higher in tissues of premature parturient females and pups than in similar tissues of full-term parturient females and pups collected on San Miguel Island in 1970.
Science © 1973 American Association for the Advancement of Science