@misc{indiciae7f12601a6ae8, title = {Approximate standard errors in semiparametric models.}, author = {M Durban and C A Hackett and I D Currie}, year = {1999}, doi = {10.1111/j.0006-341x.1999.00699.x}, url = {https://pubmed.ncbi.nlm.nih.gov/11314995/}, note = {Source identifier: 11314995} }