location of the placenta;a comparison between radiography,ultrasound,thermography,isotopes aantaa,karrina
aantaa,kaarina
location of the placenta;a comparison between radiography,ultrasound,thermography,isotopes aantaa,karrina - 1st ed. | Helsinki 1971
location of the placenta;a comparison between radiography,ultrasound,thermography,isotopes aantaa,karrina - 1st ed. | Helsinki 1971