Electronic Resource
Simpson, J. L.
;
Gray, R.
;
Queenan, J.
;
[et al.]
Perez, A.
;
Mena, P.
;
Barbato, M.
;
Kambic, R.
;
Pardo, F.
;
Tagliabue, B.
;
Stevenson, W.
;
Jennings, V.
;
Gnoth, C.
;
Frank-Hermann, P.
;
Freundl, G.
;
Kunert, J.
;
Godehardt, E.
;
... and further 8
Springer
Advances in contraception
11 (1995), S. 16-20