TY - GEN AU - GIBSON,M R AU - SCHWARTING,A E TI - A spectrophotometric method of analysis of cascara sagrada preparations PY - 2010///0318 KW - Humans KW - Rhamnus KW - analysis KW - Spectrophotometry N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/jps.3030360906 ER -