Assertion: prolactin's receptor | /r/AtLocation | b lymphocytes
Facets:
Source sentences:
text: Prolactin receptors have been found on human T lymphocytes and B lymphocytes, and some data support T-lymphocyte dependence on prolactin for maintenance of immune competence.  
text: Prolactin receptors have been found on human T lymphocytes and B lymphocytes, and some data support T-lymphocyte dependence on prolactin for maintenance of immune competence.