1. A double-blind clinical trial comparing a fixed daily dose of 150 and 250 IU of recombinant follicle-stimulating hormone in women undergoing in vitro fertilization 
Fertility and Sterility 
Volume 76, Issue 5, Pages (November 2001)
DOI: /S (01)

2. Figure 1
Number of oocytes retrieved (A) and total dose (IU) used (B) in different age categories of women receiving a fixed daily dose of 150 or 250 IU of recombinant FSH. Hatched bars, 150 IU; stippled bars, 250 IU.
The Latin American Puregon IVF Study Group. Two doses of rFSH in IVF. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (01) )