Clinical evaluation of the contraceptive effectiveness of the endouterine copper "T" has been extended to include "T" devices bearing copper wire having surface areas of 120 mm.2 and of 200 mm.2 copper, respectively. Within ...

The fine structure of vascular channels and amebocytes associated with the sheath of the infraesophageal ganglion of Helix aspersa, is described. The extracellular stroma of the sheath, together with the hemocoel and blood ...

The organization of the auditory cortex was studied in the rabbit. Tones of different frequencies and intensity were used to stimulate each ear independently or both ears simultaneously. Photographic records of the potentials ...

(6,7-3H) oestradiol-17β incorporation by the rat uterus has been studied using autoradiography. The cytoplasm and/or the cellular membrane of uterine eosinophilic cells seems to incorporate oestradiol in a much greater ...

The binding of the three competitive inhibitors benzyl alcohol, tryptophol, and N-acetyl-D-tryptophanamide to α- and δ-chymotrypsins was studied over the pH range 7 to 11 by competitive inhibition kinetics using ...

From our series of 72 patients with articular chondrocalcinosis, 37 who presented polyarticular involvement are described. Twenty‐eight patients, including 19 aggregated within different family groups, are natives of the ...

Farnsworth-Munsel 100 Hue, Ishihara and hardy-Rand-Ritler tests were performed in a group of 140 alcoholics, who were also studied with routine ’liver tests’ and hepatic biopsy. The high prevalence of color blindness in ...

Since June 1964, a contraceptive program with IUD's has been in operation in the western district of the city of Santiago.* * The clinical aspects of the program, such as the insertions of IUD's, were the responsibilities ...

Dose response, contraceptive efficacy, and menstrual cycle control were tested in 667 normal fertile women using daily oral administration of megestrol acetate (MA) in either an oil solution or a tablet form. The occurrence ...