Last month, residents at CHOP were the first in that cadre to vote on whether to unionize. The vote failed — by 17 votes. Pro-union residents at CHOP say that the hospital employed “antiunion” tactics ...

In late December, 178 CHOP residents voted in favor of a union and 195 voted against joining — a 17-vote margin, said Natalie LaBossier, a second-year pediatrics resident at CHOP who worked to ...