'The girls sense something is going to happen' - conjoined twins Eva and Erika Sandoval prepare for separation surgery

​Days before the separation surgery of conjoined twins Erika and Eva, their mother Aida Sandoval says she's preparing for the birth of two independent little girls.
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​Days before the separation surgery of conjoined twins Erika and Eva, their mother Aida Sandoval says she's preparing for the birth of two independent little girls.