Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 122, § 3

The trustees of the Tewksbury hospital, in this chapter called the trustees, shall hold meetings monthly at the hospital. One trustee shall visit the hospital at least once a week. The commissioner of the department, with the approval of the public health council, shall appoint a superintendent thereof, who may be the medical director. No member of the board of trustees shall be employed at the hospital.