Differential expression of the human insulin-like growth factor II gene. Characterization of the IGF-II mRNAs and an mRNA encoding a putative IGF-II-associated protein. - de Pagter-Holthuizen,P.; Jansen,M.; van der Kammen,R.A.; van Schaik,F.M.; Sussenbach,J.S. (Biochim Biophys Acta, 1988)