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2. Pattern and variety in development;Blaxter,1988
3. Cardiovascular and respiratory systems;Butler,1989
4. The egg case of the oviparous elasmobranch, Raja erinacea, does osmoregulate;Evans;J. Exp. Biol.,1981
5. Blood adaptations for maternal-fetal oxygen transfer in the viviparous teleost, Zoarces viviparus L;Hartvig,1984