“Acupressure Reduces Anxiety and Pain during Normal Labor in Primiparous Women”

“Machine learning prediction of heart failure in patients with left ventricular systolic dysfunction: a systematic review and meta-analysis” – this is the title of the study referred to by the PubMed URL you provided. To create a single title without using title case, it could be written as: “machine learning prediction of heart failure in patients with left ventricular systolic dysfunction: a systematic review and meta-analysis”