Follow the style for numbers included in titles as described in 19.0, Numbers and Percentages.
Educational Programs in US Medical Schools, 2004–2005
Comparison of 2 Methods to Detect Publication Bias in Meta-analyses
Skin Reactions in a Subset of Patients With Stage IV Melanoma Treated With T-Lymphocyte Antigen 4 Monoclonal Antibody as a Single Agent
If numbers appear at the beginning of a title or subtitle, they—and any unit of measure associated with them—should be spelled out. Exceptions may be made for years (see also 19.2.1, Numbers and Percentages, Spelling Out Numbers, Beginning a Sentence, Title, Subtitle, or Heading).
Primary and Secondary Prevention Services in Clinical Practice: Twenty Years' Experience in Development, Implementation, and Evaluation
Three-Day Antimicrobial Regimen for Treatment of Acute Cystitis in Women: A Randomized Trial
Seventy-five Years of the Archives of Surgery: 1920 to 1995
Six-Month Trial of Bupropion With Contingency Management for Cocaine Dependence in a Methadone-Maintained Population