c("subject id: 154", "lactation stage: Transitional", "extraction protocol: Soft spin, Unwashed")
c("subject id: 158", "lactation stage: Transitional", "extraction protocol: Hard spin, Unwashed")
c("subject id: 160", "lactation stage: Transitional", "extraction protocol: Hard spin, Washed once")
c("subject id: 187", "lactation stage: Colostrum", "extraction protocol: Hard spin, Unwashed")
c("subject id: 179", "lactation stage: Transitional", "extraction protocol: Hard spin, Washed once")
c("subject id: 183", "lactation stage: Colostrum", "extraction protocol: Hard spin, Washed once")
c("subject id: 187", "lactation stage: Colostrum", "extraction protocol: Hard spin, Washed once")
c("subject id: 188", "lactation stage: Transitional", "extraction protocol: Hard spin, Washed once")
c("subject id: 179", "lactation stage: Mature", "extraction protocol: Hard spin, Unwashed")
c("subject id: 183", "lactation stage: Mature", "extraction protocol: Hard spin, Unwashed")
c("subject id: 168", "lactation stage: Mature", "extraction protocol: Hard spin, Washed twice")
c("subject id: 359", "lactation stage: Mature", "extraction protocol: Soft spin, Unwashed")
c("subject id: 179", "lactation stage: Mature", "extraction protocol: Hard spin, Washed twice")
c("subject id: 183", "lactation stage: Mature", "extraction protocol: Hard spin, Washed twice")
c("subject id: 174", "lactation stage: Mature", "extraction protocol: Hard spin, Washed once")
c("subject id: 153", "lactation stage: Mature", "extraction protocol: Hard spin, Unwashed")