Down's syndrome is associated with -a) Congenital heart diseaseb) A.L.L.c) Early onset Alzheimer's diseased) CNS tumoure) Infection

Active compound secreted by neutrophills against pathogen is known as?

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Basic stain for osteoblast:

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All of the following provide protection against malaria except -

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Salivary schintigraphy is useful in?

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Group-D chromosome is?

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