MICRODOSE INTRAVAGINAL LEVONORGESTREL- CONTRACEPTION: A MULTICENTRE CLINICAL TRIAL. IV. BLEEDING PATTERNS СтатьяWorld H.O., Task F., Reproduction, Koetsawang S., Gao J., Krishna U., Cuadros A., Dhall G.I., Wyss R., La Puenta J.R., Andrade A.T.L., Khan T., Konova E.S., Lawson J.P., Parekh U., Elstein M., Hingorani V., Wang N.N., Yao Z.B., Landgren B.M. ...Contraception. Том 41. 1990. С. 151-167
