Browsing Producción científica by Author "Ellison, Peter T"

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    • Assessing salivary progesterone in coca-leaf chewing populations 

      Vitzthum, Virginia J; Von Dornum, Miranda; Ellison, Peter T; Sandy, Irene (Population Studies Center, University of Michigan, 1990-05)
      ABSTRACT. Although there is evidence for reduced fertility in Andean and Himalayan populations at higher altitudes, factors other than hypoxia may be primarily responsible. A potentially valuable approach in the ...