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Cambios en el patrón electroforético del veneno de cascabela muda (Lachesis muta stenophrys) durante el almacenamiento bajo diferentes condiciones
(1985)
Liquid and lyophilized samples of Lachesis muta venom were stored at different temperatures and for different periods of time, and analyzed by polyacrylamide gel electrophoresis (PAGE) and immunoelectrophoresis. Only slight ...
Incidencia y distribución altitudinal de 13 virus en cultivos de Solanum tuberosum (Solanaceae) en Costa Rica
A survey was conducted in 30 fields located at three different altitudes in Cartago, Costa Rica’s main potato producing area. Twenty plants were sampled per farm, for a total of 600 samples with 200 samples per altitude. ...
Diarrea por Campylobacter fetus jejuni y otros agentes infecciosos en niños del área rural de Puriscal, Costa Rica
(Revista de Biología Tropical 32(1) p.137-143, 1984-01-04)
Between September 1979 and September 1981 a field study was conducted on the etiology of
diarrhea' disease in the area of Puriscal, Costa Rica. The presence of enteric pathogens was investigated in
the stools of 267 ...
Composición químico-nutricional en diferentes tallas y sexo del cambute strombus graciliar (Mesogastropoda: Strombidae) de Playa Panamá, C.R
(1993)
Se obtuvieron 74 ejemplares de cambute (Strombus gracilior) de Playa Panama (100 35' 45" N. 840 40' 09" W). Costa Rica. La proporción de sexos fue de 1:1 y el ámbito de talla 70-80mm (longitud total). El rendimiento promedio ...
Dermatoglifos en los amerindios bribri y cabecar de Costa Rica
(1991)
Se realizó un estudio de los dermatoglifos digitales y palmares en 286 amerindios Bribri y Cabécar ubicados en las vertientes Atlántica y Pacífica del Sur de Costa Rica. No se halló diferencias significativas entre los ...
Ooquistes de Cryptosporidium sp. (Apicomplexa: Cryptosporidiiadae) y presencia del C. parvum en niños de Costa Rica
(1996)
From 1982 to 1987 infant and preschool Costa Rican children with acute diarrhea were studied. Cryptospo ridium (Tyzzer 1912) and other agents of diarrhea were invetigated. Criptosporydium oocysts were diagnosed in Giemsa ...
Intoxicación paralítica por mariscos (IPM) por Spondylus calcifer contaminado con Pirodinium bahamense, Costa Rica, 1989-1990
(1990)
This paper describes an outbreak of paralytic shellfish poisoning (PSP), affecting human populations on the
Pacific Coast of Costa Rica in October 1989. Numbness in arms, face and legs occurred 30 to 45 minutes after ...
Chromosomal defects in 34 male homosexuals, half of them with HIV antibodies
(Revista de Biologíaa Tropical 50(1):347-353, 2002, 2002-09)
Most of the research about viral interactions with human chromosomes was done during the sixties
and early seventies and very few was performed after the human immunodeficiency virus (HIV) appearance as
an epidemic in ...