animal article female male Male 276 Female 272 Animals 264 physiology 112 Argentina 94 genetics 90 histology 73 nonhuman 70 growth, development and aging 61 controlled study 55 metabolism 53 parasitology 50 classification 44 priority journal 39 human 37 animal experiment 36 Animalia 34 Triatoma 33 Animal 32 Hexapoda 31 disease carrier 31 mouse 30 Insect Vectors 29 Triatoma infestans 29 isolation and purification 29 sexual behavior 29