Sundararaman P, Djerassi C (outubro de 1977). "A convenient synthesis of progesterone from stigmasterol". The Journal of Organic Chemistry42 (22): 3633–4. PMID915584. doi:10.1021/jo00442a044.
Kametani T, Furuyama H (1987). "Synthesis of vitamin D3 and related compounds". Medicinal Research Reviews7 (2): 147–71. PMID3033409. doi:10.1002/med.2610070202.
Gallina G, Ferretti G, Merlanti R, Civitareale C, Capolongo F, Draisci R, Montesissa C (outubro de 2007). "Boldenone, boldione, and milk replacers in the diet of veal calves: the effects of phytosterol content on the urinary excretion of boldenone metabolites". Journal of Agricultural and Food Chemistry55 (20): 8275–83. PMID17844992. doi:10.1021/jf071097c.
Sundararaman P, Djerassi C (outubro de 1977). "A convenient synthesis of progesterone from stigmasterol". The Journal of Organic Chemistry42 (22): 3633–4. PMID915584. doi:10.1021/jo00442a044.
Kametani T, Furuyama H (1987). "Synthesis of vitamin D3 and related compounds". Medicinal Research Reviews7 (2): 147–71. PMID3033409. doi:10.1002/med.2610070202.
Gallina G, Ferretti G, Merlanti R, Civitareale C, Capolongo F, Draisci R, Montesissa C (outubro de 2007). "Boldenone, boldione, and milk replacers in the diet of veal calves: the effects of phytosterol content on the urinary excretion of boldenone metabolites". Journal of Agricultural and Food Chemistry55 (20): 8275–83. PMID17844992. doi:10.1021/jf071097c.