Chap. 0159 An Act further regulating medical and hospital services under the workmen's compensation law. Be it enacted, etc., as folloivs: Section 30 of chapter 152 of the General Laws, as most recently amended by section 1 of chapter 233 of the acts of 1946, is hereby further amended by adding at the end the following sentence: - The provisions of this section shall be applicable so long as such services are necessary, notwithstanding the fact that maximum compensation under other sections of this chapter may have been received by the injured employee. Approved March 19, 1948.-