Welch, J. (1998). Antenatal screening for syphilis: Still important in preventing disease. British Medical Journal.
Chicago ZitierstilWelch, Jan. Antenatal Screening for Syphilis: Still Important in Preventing Disease. British Medical Journal, 1998.
MLA ZitierstilWelch, Jan. Antenatal Screening for Syphilis: Still Important in Preventing Disease. British Medical Journal, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.