Nos. 16-1556, 16-1845. 10-16-2017 QUALITY HEALTH SERVICES OF P.R., INC. d/b/a Hospital San Cristóbal, Petitioner, Cross-Respondent, v. NATIONAL LABOR RELATIONS BOARD, Respondent, Cross-Petitioner. José L. Nieto-Mingo, with whom Nieto Law Offices, José R. González-Nogueras, Lloyd Isgut-Rivera, and Jiménez, Graffam & Lausell, San Juan, PR, were on brief, for petitioner/cross-respondent. Barbara A. Sheehy, Attorney, National Labor Relations Board, with whom Elizabeth Heaney, Supervisory Attorney, Richard