On the existence of currently described subspecies in the chimpanzee (Pan troglodytes).
D000367:Age Factors; D000818:Animals; D005145:Face / Q000033:anatomy & histology; D005260:Female; D005838:Genotype; D006197:Hair / Q000033:anatomy & histology; D015186:Hominidae / Q000033:anatomy & histology / Q000145:classification*; D008297:Male; D009055:Mouth / Q000033:anatomy & histology; D012737:Sex Factors; D013045:Species Specificity