| [factors contributing to the difference of hair mercury concentrations between the sexes]. | scalp hair samples were collected by mail from 97 married couples who were living in several places in okinawa-prefecture and supposedly had no specific exposure to mercury compounds. they were selectively analysed for organic and inorganic mercury content and the difference of hair mercury concentration between the sexes was discussed in relation to the frequency of fish intake, fish species, drinking habits and permanent-wave hair treatment. results obtained were as follows: 1) the increase in ... | 1990 | 2214296 |