This pattern can be used in combination with the Ringalina Doll Course.
I have been using this pattern for over 30 years and adjust it depending on what I feel the doll needs. Sometimes I add a little more seam allowance or add a little length to the legs. A doll pattern in my eyes is a guide. Also, keep in mind that knit fabrics can vary and the outcome using one fabric over another can make a difference.
Personally, I use DeWitte Engel cotton skin fabric, and Laib Yala wool skin fabric for my dolls, but there are many other doll skin suppliers available. I give more seam allowance to the woolskin as it is not as stretchy as the cotton fabrics tend to be.