II 115th CONGRESS 2d Session S. 2658 IN THE SENATE OF THE UNITED STATES April 12, 2018 Mr. Nelson (for himself and Mr. Rubio ) introduced the following bill; which was read twice and referred to the Committee on Health, Education, Labor, and Pensions A BILL To amend the Public Health Service Act to provide for systematic data collection, analysis, and epidemiological research regarding neonatal abstinence syndrome.