article 1951 Phosphatase activity in the mammalian genital tract. Experimental modifications in the female rat ·doi:10.1016/0002-9378(51)90276-1
article 1947 Kahanpää, V.: Upon the Pathogenesis of Ovarian Endometriosis ·doi:10.1016/s0002-9378(15)31632-x
article 1942 Clinical and practical significance of rectal endometrioma ·doi:10.1016/s0002-9378(42)91315-2