PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3454873-3 1987 Administration of 4-hydroxytamoxifen 24 h before estradiol completely blocked both the suppression of albumin mRNA and the transcriptional activation of the vitellogenin genes. hydroxytamoxifen 18-36 a1-a Xenopus laevis 157-169