TY - RPRT TI - Molecular clock or erratic evolution? A tale of two genes. AU - F J Ayala AU - E Barrio AU - J Kwiatowski PY - 1996 DO - 10.1073/pnas.93.21.11729 UR - https://pubmed.ncbi.nlm.nih.gov/8876205/ ID - 8876205 ER -