Barriers and enablers encountered by bereaved informal motor neuron disease (MND) caregivers when trying to access bereavement support: a qualitative cross-sectional thematic analysis of semistructured interviews with 6-36 months postbereavement informal MND caregivers in the UK

英国非正式运动神经元疾病（MND）丧亲照护者在寻求丧亲支持时遇到的障碍和促进因素：一项对丧亲后6-36个月的非正式MND照护者进行的半结构式访谈的定性横断面主题分析