Costa RicaCentral AmericaIndians, Central American: Individual members of Central American ethnic groups with ancient historic ancestral origins in Asia. Mexican Indians are not included.Melastomataceae: A plant family of the order Myrtales, subclass Rosidae, class Magnoliopsida composed of tropical plants with parallel-nerved leaves.Tropical Climate: A climate which is typical of equatorial and tropical regions, i.e., one with continually high temperatures with considerable precipitation, at least during part of the year. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Bromeliaceae: A plant family of the order Bromeliales, subclass Zingiberidae, class Liliopsida (monocotyledons).PanamaLatin America: The geographic area of Latin America in general and when the specific country or countries are not indicated. It usually includes Central America, South America, Mexico, and the islands of the Caribbean.Ectoparasitic Infestations: Infestations by PARASITES which live on, or burrow into, the surface of their host's EPIDERMIS. Most ectoparasites are ARTHROPODS.MuseumsMimosa: A plant genus of the family FABACEAE that contains kukulkanin, a CHALCONE.Human papillomavirus 18: A type of human papillomavirus especially associated with malignant tumors of the genital and RESPIRATORY MUCOSA.Trees: Woody, usually tall, perennial higher plants (Angiosperms, Gymnosperms, and some Pterophyta) having usually a main stem and numerous branches.Papillomavirus Infections: Neoplasms of the skin and mucous membranes caused by papillomaviruses. They are usually benign but some have a high risk for malignant progression.NicaraguaHuman papillomavirus 31: A type of ALPHAPAPILLOMAVIRUS associated with high risk for anogenital neoplasms.