The correlations of plasma levels of levonorgestrel, megestrol acetate and norgestrienone
with the doses delivered from subdermal implants and contraceptive rings have been …

Plasma concentrations of levonorgestrel were determined in women using subdermal
levonorgestrel implants. One group had 6 Silastic® capsules†(NORPLANT), one group had …

Norethisterone and ethynyloestradiol administered orally to humans in various vehicles in a
capsule formulation were rapidly and completely absorbed. There was no significant …

Levonorgestrel plasma levels were determined by a specific radioimmunoassay in a group
of 110 women at various intervals between 1 and 60 months following implantation of six …

The release of steroids from Silastic R capsules and rods has been measured in human
beings and rats by recovering the implants after periods of subdermal implantation and …

Levonorgestrel plasma levels were determined by a specific radioimmunoassay in a group
of 110 women at various intervals between 1 and 60 months fallowing implantation of six …

Plasma concentrations of cholesterol, HDL-cholesterol, and levonorgestrel were determined
in two groups of women using levonorgestrel-releasing subdermal implants. One group …

Silastic® capsules containing R-2323 (13-ethyl-17α-ethinyl-17-hydroxy-gona-4, 9, 11-trien-3-
one) were implanted subdermally in six normal female rhesus monkeys (Macaca mulatta) for …

Levonorgestrel and progesterone plasma levels were measured in women bearing
levonorgestrel subdermal implants. Two groups using four or six levonorgestrel covered …

Four different implants, in the form of capsules or covered rods, that release one of the
synthetic progestins levonorgestrel, etonogestrel, Nestorone, or Elcometrine and …