From their mehods..."The HB1.F3.C1 cell line is a multipotent, cloned cell line that was generated by immortalizing cells obtained from the telencephalon of a human fetus of 15 weeks’ gestation, using a retrovirus encoding the v-myc gene [17,23]. The primary cells were obtained in accordance with the Guidelines of the Anatomical Pathology Department of Vancouver General Hospital, with permission to use fetal tissue granted by the Clinical Research Screening Committee Involving Human Subjects of the University of British Columbia. HB1.F3.C1 is an established, well-characterized, stable cell line [23–27]. HB1...."
Does any of the information you have indicate how these cells were obtained? Specifically, do you know if the fetal tissue was available to researchers as the result of being intentionally aborted?