The authors also had no control over the breed and sex distribution of the dogs used at this facility. (peerj.com)
Prevalence and Sex Distribution of Temporomandibular Disorder and Their Association with Anxiety and Depression in Indian Medical University Students (scirp.org)
Trends in lung cancer incidence rates were determined based on census data adjusted for the age and sex distribution of the U.S. population in 2000. (sciencedaily.com)