Ana G. Gutiérrez-García, Carlos M. Contreras & Remedios Mendoza-López Universidad Veracruzana, México Abstract: 2-Heptanone is an alarm pheromone contained in some human fluids, but its role is unknown in chemical communication. In part one of this study, a sample of 24 women provided urine specimens taken around their supposed ovulation days, and a second… Read more »