@misc{indiciae1a27106f27fe, title = {Sterility test method for petrolatum-based ophthalmic ointments.}, author = {K Tsuji and E M Stapert and J H Robertson and P M Waiyaki}, year = {1970}, doi = {10.1128/am.20.5.798-801.1970}, url = {https://pubmed.ncbi.nlm.nih.gov/4991924/}, note = {Source identifier: 4991924} }