Certain of {HEAD ~ the vertebrate hedgehog proteins} of {TAIL ~ the present invention} are defined by SEQ ID Nos:8 14 and can be cloned from vertebrate organisms including fish, avian and mammalian sources 
Certain of { HEAD ~ the vertebrate hedgehog proteins } of { TAIL ~ the present invention } are defined by SEQ ID Nos:8 14 and can be cloned from vertebrate organisms including fish , avian and mammalian sources
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