TY - RPRT TI - Relationship between multiple copies of a T. brucei variable surface glycoprotein gene whose expression is not controlled by duplication. AU - J R Young AU - J S Shah AU - G Matthyssens AU - R O Williams PY - 1983 DO - 10.1016/0092-8674(83)90298-2 UR - https://pubmed.ncbi.nlm.nih.gov/6301682/ ID - 6301682 ER -